2023

• Wangen, Endre; Gillund, Even Westgaard; Reinholdtsen, Eirik Midtgaard; Henriksveen, Kristian Jostad; van Duinen, Aalke Johan; Faqiri, Mirwais. (2023) Akutte laparotomier ved St. Olavs hospital. Tidsskrift for Den norske legeforening
  Vitenskapelig artikkel
• Ashley, Thomas; Ashley, Hannah F.; Wladis, Andreas; Nordin, Pär; Ohene-Yeboah, Michael; Rukas, Rimantas. (2023) Standardised Competency-Based Training of Medical Doctors and Associate Clinicians in Inguinal Repair with Mesh in Sierra Leone. World Journal of Surgery
  Vitenskapelig artikkel
• van Kesteren, Jurre; van Goudoever, Leandra A.E.; Conteh, Amara; van Acker, Gijs J.D.; Bonjer, H. Jaap; Bolkan, Håkon Angell. (2023) Technical Perspective for Video Based Assessment of Surgeries in Low-Resource Settings. Journal of Surgical Education
  Vitenskapelig artikkel

2022

• Adde, Håvard Askim; van Duinen, Aalke Johan; Andrews, Benetta; Bakker, Juul Marlies; Goyah, Kezelebah; Salvesen, Øyvind Olav. (2022) Mapping population access to essential surgical care in Liberia using equipment, personnel, and bellwether capability standards. British Journal of Surgery
  Vitenskapelig artikkel
• Bolkan, Håkon Angell. (2022) Global kirurgi. Tidsskrift for Den norske legeforening
  Vitenskapelig artikkel
• Bakke, Eirik; Øseth, Eirik; Fofanah, Tairu; Sesay, Ibrahim; van Duinen, Aalke Johan; Bolkan, Håkon Angell. (2022) Vacuum births and barriers to its use: An observational study in governmental hospitals in Sierra Leone. BMJ Open
  Vitenskapelig artikkel
• van Kesteren, Jurre; Meylahn-Jansen, Pauline J.; Conteh, Amara; Lissenberg-Witte, Birgit I.; van Duinen, Aalke Johan; Ashley, Thomas. (2022) Inguinal hernia surgery learning curves by associate clinicians. Surgical Endoscopy
  Vitenskapelig artikkel
• van Kesteren, Jurre; van Duinen, Aalke Johan; Marah, Foday; van Delft, Diede; Spector, Antoinette L.; Cassidy, Laura D.. (2022) PREvalence Study on Surgical COnditions (PRESSCO) 2020: A Population-Based Cross-Sectional Countrywide Survey on Surgical Conditions in Post-Ebola Outbreak Sierra Leone. World Journal of Surgery
  Vitenskapelig artikkel

2021

• Please, Helen R.; Vas Nunes, Jonathan H.; Patel, Rashida; Pluschke, Gerd; Tholley, Mohamed; Ruf, Marie-Therésè. (2021) Chronic wounds in sierra leone: Searching for buruli ulcer, a ntd caused by mycobacterium ulcerans, at masanga hospital. PLoS Neglected Tropical Diseases
  Vitenskapelig artikkel
• van Duinen, Aalke Johan; Westendorp, Josien; Ashley, Thomas; Hagander, Lars; Holmer, Hampus; Koroma, Alimamy P.. (2021) Catastrophic expenditure and impoverishment after caesarean section in Sierra Leone: An evaluation of the free health care initiative. PLOS ONE
  Vitenskapelig artikkel
• Sevalie, Stephen; Youkee, Daniel; van Duinen, Aalke Johan; Bailey, Emma; Bangura, Thaimu; Mangipudi, Sowmya. (2021) The impact of the COVID-19 pandemic on hospital utilisation in Sierra Leone. BMJ Global Health
  Vitenskapelig artikkel
• Bolkan, Håkon Angell; van Duinen, Aalke Johan. (2021) CapaCare 10 years, 2011 – 2021. CapaCare International
  Populærvitenskapelig bok
• Bolkan, Håkon Angell. (2021) Akutt kirurgi - et globalt perspektiv. Kirurgen
  Fagartikkel
• Bolkan, Håkon Angell; Ystgaard, Brynjulf. (2021) Organisering av akutt kirurgi i USA, UK og Australia: kan vi lære noe?. Kirurgen
  Fagartikkel
• Ahlback, Johan Gottfried; van Duinen, Aalke Johan; Brudal, Frank; Endreseth, Birger Henning; Bolkan, Håkon Angell. (2021) Effekt av Covid-19 pandemien på innleggelser og behandling av akuttkirurgisk pasienter i Midt-Norge. Kirurgen
  Fagartikkel
• Bolkan, Håkon Angell. (2021) AKUTTKIRURGI – HVOR GÅR VEIEN VIDERE?. Kirurgen
  Leder
• Adde, Håvard Askim; van Duinen, Aalke Johan; Sherman, L.M.; Andrews, B.C.; Salvesen, Øyvind; Dunbar, N.K.. (2021) A Nationwide Enumeration of the Surgical Workforce, its Production and Disparities in Operative Productivity in Liberia. World Journal of Surgery
  Vitenskapelig artikkel
• Geraedts, Tessa J. M.; Boateng, Daniel; Lindenbergh, Karel C.; Van Delft, Diede; Mathéron, Hanna M.; Mönnink, Gulia L. E.. (2021) Evaluating the cascade of care for hypertension in Sierra Leone. Tropical medicine & international health
  Vitenskapelig artikkel
• Gjøra, Andreas; Lindheim-Minde, Barbro; Bakker, Juul Marlies; van Duinen, Aalke Johan; van Leerdam, Daniel; Smalle, Isaac O. (2021) Changes in surgical volume, workforce, and productivity in Sierra Leone between 2012 and 2017. Surgery
  Vitenskapelig artikkel
• Ashley, Thomas; Ashley, Hannah; Wladis, Andreas; Bolkan, Håkon Angell; van Duinen, Aalke Johan; Beard, Jessica. (2021) Outcomes After Elective Inguinal Hernia Repair Performed by Associate Clinicians vs Medical Doctors in Sierra Leone: A Randomized Clinical Trial. JAMA Network Open
  Vitenskapelig artikkel
• Sung, Sophia; Hørthe, Hilde; Svendsen, Øyvind Veel; van Duinen, Aalke Johan; Salvesen, Øyvind; Vandi, Alphonsus. (2021) Early evaluation of the transition from an analog to an electronic surgical logbook system in Sierra Leone. BMC Medical Education
  Vitenskapelig artikkel
• Bakker, Juul Marlies; van Duinen, Aalke Johan; Nolet, Wouter W.E.; Mboma, Peter; Sam, Tamba; van den Broek, Ankie. (2021) Barriers to increase surgical productivity in Sierra Leone: A qualitative study. BMJ Open
  Vitenskapelig artikkel
• Van den Bergh, Graziella ; Bolkan, Håkon Angell. (2021) ECTMIH 2021: Track 8: Program for 29.09.2021 on Rehabilitation: See: https://ectmih2021.no/wp-content/uploads/2021/09/Track-8-24.9.21.pdf .
  Nettsider (opplysningsmateriale)

2020

• Bolkan, Håkon Angell; National Audit of Small Bowel, NASBO Collaborators. (2020) Outcomes of obstructed abdominal wall hernia: results from the UK national small bowel obstruction audit. BJS Open
  Vitenskapelig artikkel
• Adde, Håvard Askim; van Duinen, Aalke Johan; Oghogho, Mark Deenize; Dunbar, Nelson; Tehmeh, Lekilay; Hampaye, Theophilus. (2020) Impact of surgical infrastructure and personnel on volume and availability of essential surgical procedures in Liberia. BJS Open
  Vitenskapelig artikkel
• van Duinen, Aalke Johan; Westendorp, Josien; Kamara, Michael M; Forna, Fatu; Hagander, Lars; Rijken, Marcus J.. (2020) Perinatal outcomes of cesarean deliveries in Sierra Leone: A prospective multicenter observational study. International Journal of Gynecology & Obstetrics
  Vitenskapelig artikkel
• Wehrens, Erik; Bangura, JS; Falama, AM; Kamara, Kelfala BB; Dubbink, Jan Henk; Bolkan, Håkon Angell. (2020) Primum non nocere: Potential indirect adverse effects of COVID-19 containment strategies in the African region. Travel Medicine and Infectious Disease
  Short communication
• van Duinen, Aalke Johan; Adde, Håvard Askim; Fredin, Hans Ola; Holmer, Hampus; Hagander, Lars; Koroma, Alimamy Philip. (2020) Travel time and perinatal mortality after emergency caesarean sections: an evaluation of the 2-hour proximity indicator in Sierra Leone. BMJ Global Health
  Vitenskapelig artikkel
• Bolkan, Håkon Angell. (2020) Folks tillit er vår kollektive vaksine. Adressavisen
  Kronikk

2019

• van Duinen, Aalke Johan; Kamara, Michael M.; Hagander, Lars; Ashley, Thomas; Koroma, Alimamy Philip; Leather, Andy J.M.. (2019) Caesarean section performed by medical doctors and associate clinicians in Sierra Leone. British Journal of Surgery
  Vitenskapelig artikkel
• Holmer, Hampus; Kamara, Michael M.; Bolkan, Håkon Angell; van Duinen, Aalke Johan; Conteh, Sulaiman; Forna, Fatu. (2019) The rate and perioperative mortality of caesarean section in Sierra Leone . BMJ Global Health
  Vitenskapelig artikkel
• Drevin, Gustaf; Alvesson, Helle Mölsted; van Duinen, Aalke Johan; Bolkan, Håkon Angell; Koroma, Alimamy philip; von Schreeb, Johan. (2019) ”For this one, let me take the risk”: why surgical staff continued to perform caesarean sections during the 2014–2016 Ebola epidemic in Sierra Leone. BMJ Global Health
  Vitenskapelig artikkel
• NASBO, NASBO Collaborators; Bolkan, Håkon Angell. (2019) National prospective cohort study of the burden of acute small bowel obstruction. BJS Open
  Vitenskapelig artikkel
• Svendsen, Øyvind Veel; Helgerud, Christoffer; van Duinen, Aalke Johan; Salvesen, Øyvind; George, Peter M.; Bolkan, Håkon Angell. (2019) Evaluation of a surgical task sharing training programme's logbook system in Sierra Leone. BMC Medical Education
  Vitenskapelig artikkel
• Lee, Matthew; Sayers, Adele; Drake, Thomas M.; Singh, Pritam; Bradburn, Mike; Wilson, Timothy J. (2019) Malnutrition, nutritional interventions and clinical outcomes of patients with acute small bowel obstruction: results from a national, multicentre, prospective audit. BMJ Open
  Vitenskapelig artikkel
• Burgos, Carmen Mesas; Bolkan, Håkon Angell; Bash-Taqi, Donald Alpha; Hagander, Lars; Schreeb, Johan. (2019) Correction to: The Met Needs for Pediatric Surgical Conditions in Sierra Leone: Estimating the Gap. World Journal of Surgery
  Errata
• Jarosch-von Schweder, Lindy; Bolkan, Håkon Angell; Endreseth, Birger Henning. (2019) St. Olav satser på akutt gastrokirurgi. Overlegen
  Intervju tidsskrift
• Drake, Thomas M.; Lee, Matthew; Sayers, Adele; Abercrombie, John F.; Aucheson, Austin; Alderson, Derek A.. (2019) Outcomes following small bowel obstruction due to malignancy in the national audit of small bowel obstruction. European Journal of Surgical Oncology
  Vitenskapelig artikkel

2018

• Treacy, Laura; Bolkan, Håkon Angell; Sagbakken, Mette. (2018) Distance, accessibility and costs. Decision-making During Childbirth in Rural Sierra Leone: a Qualitative Study. PLOS ONE
  Vitenskapelig artikkel
• Liu, Ben; Hunt, Lesley; Lonsdale, Robert J; Narula, Harjeet; Manasrey, Alieu; Bundu, Ibrahim. (2018) Comparison of surgical skill acquisition by UK surgical trainees and Sierra Leonean associate clinicians in a task-sharing programme. BJS Open
  Vitenskapelig artikkel
• Grimes, Caris E.; Quaife, Matthew; Kamara, Thaim B.; Lavy, Christopher B.D.; Leather, Andy J.M.; Bolkan, Håkon Angell. (2018) Macroeconomic costs of the unmet burden of surgical disease in Sierra Leone: A retrospective economic analysis. BMJ Open
  Vitenskapelig artikkel
• Waalewijn, Bart; van Duinen, Aalke Johan; Koroma, Alimamy Philip; Rijken, Markus J.; Elhassein, Mohammed; Bolkan, Håkon Angell. (2018) Important Research Elements in Aiding Training: Reply. World Journal of Surgery
  Brev til redaktøren
• Burgos, Carmen Mesas; Bolkan, Håkon Angell; Bash-Taqi, Donald; Hagander, Lars; von Schreeb, Johan. (2018) Correction to: The Met Needs for Pediatric Surgical Conditions in Sierra Leone: Estimating the Gap. World Journal of Surgery
  Vitenskapelig artikkel
• Bolkan, Håkon Angell. (2018) Humanitært arbeide – undervurdert som videreutdanning, men med bivirkninger. Dagens medisin
  Kronikk
• Bolkan, Håkon Angell; van Duinen, Aalke Johan; Samai, Mohammed; Bash-Taqi, Donald Alpha; Gassama, Ibarahim; Waalewijn, Bart. (2018) Admissions and surgery as indicators of hospital functions in Sierra Leone during the west-African Ebola outbreak. BMC Health Services Research
  Vitenskapelig artikkel

2017

• Waalewijn, Bart; van Duinen, Aalke Johan; Koroma, AP; Rijken, Markus J.; Elhassein, Mohammed; Bolkan, Håkon Angell. (2017) Learning Curve Characteristics for Caesarean Section Among Associate Clinicians: A Prospective Study from Sierra Leone. World Journal of Surgery
  Vitenskapelig artikkel
• Burgos, Carmen Mesas; Bolkan, Håkon Angell; Bash-Taqi, Donald; Hagander, Lars; von Screeb, Johan. (2017) The met needs for pediatric surgical conditions in Sierra Leone: estimating the gap. World Journal of Surgery
  Vitenskapelig artikkel
• Bolkan, Håkon Angell; van Duinen, Aalke Johan; Waalewijn, Bart; Elhassein, Mohamed; Kamara, T. B.; Deen, G F. (2017) Safety, productivity and predicted contribution of a surgical task-sharing programme in Sierra Leone. British Journal of Surgery
  Vitenskapelig artikkel
• Bolkan, Håkon Angell. (2017) Chapter 6: A clinical officer training program in Sierra Leone and the decline of surgical care due to Ebola. Johns Hopkins University Press Johns Hopkins University Press
  Fagbok

2016

• Brolin, Kim; van Duinen, Aalke Johan; Nordenstedt, Helena; Hoijer, J; Molnes, Ragnhild; Frøseth, Torunn Wigum. (2016) The Impact of the West Africa Ebola Outbreak on Obstetric Health Care in Sierra Leone. PLOS ONE
  Vitenskapelig artikkel
• Haaskjold, Yngvar Lunde; Bolkan, Håkon Angell; Krogh, Kurt; Jongopi, James; Lundeby, Karen Marie; Mellesmo, Sindre. (2016) Clinical features of and risk factors for fatal Ebola virus disease, Moyamba District, Sierra Leone, December 2014–February 2015. Emerging Infectious Diseases
  Vitenskapelig artikkel
• Bolkan, Håkon Angell; Haganger, Lars; von Screeb, J; Bash-Taqi, Donald A.; Kamara, T B; Salvesen, Øyvind. (2016) The Surgical Workforce and Surgical Provider Productivity in Sierra Leone: A Countrywide Inventory. World Journal of Surgery
  Vitenskapelig artikkel
• Arranz, Javier; Lundeby, Karen Marie; Hassan, Shoaib; Fuentes, Luis Matías Zabala; Garcés, Pedro San José; Haaskjold, Yngvar Lunde. (2016) Clinical features of suspected Ebola cases referred to the Moyamba ETC, Sierra Leone: Challenges in the later stages of the 2014 outbreak. BMC Infectious Diseases
  Vitenskapelig artikkel

2015

• Bolkan, Håkon Angell; Schreeb, Johan; Samai, Mohamed; Bash-Taqi, Donald Alpha; Kamara, T. B.; Salvesen, Øyvind. (2015) Met and unmet need for surgery in Sierra Leone: a comprehensive retrospective countrywide survey from all healthcare facilities performing surgery in 2012. Surgery
  Vitenskapelig artikkel
• Milland, Maria; Bolkan, Håkon Angell. (2015) Surgical task shifting in Sierra Leone: a controversial attempt to reduce maternal mortality. BJOG: An International Journal of Obstetrics and Gynaecology
  Short communication
• Bolkan, Håkon Angell; Hagander, Lars; von Schreeb, Johan; Bash-Taqi, Donald A.; Kamara, T. B.; Salvesen, Øyvind. (2015) Who is performing surgery in low-income settings: a countrywide inventory of the surgical workforce distribution and scope of practice in Sierra Leone. The Lancet
  Sammendrag/abstract
• Bolkan, Håkon Angell; von Schreeb, Johan; Samai, Mohammed; Bash-Taqi, Donald A.; Kamara, T. B.; Salvesen, Øyvind. (2015) Rates of caesarean section and total volume of surgery in Sierra Leone: a retrospective survey. The Lancet
  Sammendrag/abstract
• Bolkan, Håkon Angell. (2015) Slutten på begynnelsen?. VG : Verdens gang
  Kronikk
• Bjerring, A W; Lier, M E; Roed, S M; Vestby, P F; Endreseth, Birger Henning; Salvesen, Øyvind. (2015) Assessment of caesarean section and inguinal hernia repair as proxy indicators of total number of surgeries. The Lancet
  Sammendrag/abstract
• Bjerring, Anders Wold; Lier, Marius Eknæs; Rød, Siri Malene; Vestby, Pia Fiskaa; Melf, Klaus; Endreseth, Birger Henning. (2015) Assessing cesarean section and inguinal hernia repair as proxy indicators of the total number of surgeries performed in Sierra Leone in 2012. Surgery
  Vitenskapelig artikkel
• Bolkan, Håkon Angell; von Schreeb, Johan; Samai, Mohammed; Bash-Taqi, Donald A.; Kamara, Thaim Buim; Salvesen, Øyvind. (2015) Met and unmet needs for surgery in Sierra Leone: A comprehensive, retrospective, countrywide survey from all health care facilities performing operations in 2012. Surgery
  Vitenskapelig artikkel

2014

• Bolkan, Håkon Angell; Bash-Taqi, Donald A.; Samai, Mohammed; Gerdin, Martin; von Schreeb, Johan. (2014) Ebola and Indirect Effects on Health Service Function in Sierra Leone. PLOS Currents
  Vitenskapelig artikkel
• Milland, Maria; Bolkan, Håkon Angell. (2014) Enhancing access to emergency obstetric care through surgical task shifting in Sierra Leone: confrontation with Ebola during recovery from civil war. Acta Obstetricia et Gynecologica Scandinavica
  Leder
• van Duinen, Aalke Johan; Waalewijn, Bart; Ystgaard, Brynjulf; Bolkan, Håkon Angell. (2014) Strengthening of the Sierra Leonean Health System by Implementing a Surgical Task Shifting Programme. MT Bulletin of the Netherlands Society for Tropical Medicine and International Health
  Fagartikkel
• Bolkan, Håkon Angell. (2014) Rapport fra Sierra Leone. INDERØYNINGEN
  Intervju tidsskrift
• Bolkan, Håkon Angell; Holmer, Hampus; Hagander, L. (2014) WHO-initiativ för ökad tillgång till kirurgi i resursfattiga områden. Läkartidningen
  Leserinnlegg
• Bolkan, Håkon Angell. (2014) - Verden har ikke skjønt ebola-alvoret . Adresseavisen
  Intervju tidsskrift
• Bolkan, Håkon Angell. (2014) Ebola i Trondheim? Ja, selvfølgelig!. Adresseavisen
  Kronikk

2013

• van Duinen, Aalke Johan; Westendorp, J; Ashley, T; Bash-Taqi, D; Jorgensen, P; Bolkan, Håkon Angell. (2013) The surgical training program: increasing surgical capacity in sierra leone by training medical doctors and community health officers in surgical and obstetric skills - progress report. Tropical medicine & international health
  Sammendrag/abstract
• Ystgaard, Brynjulf; Bolkan, Håkon Angell. (2013) Kirurgi og global helse. Overlegen
  Populærvitenskapelig artikkel
• Bolkan, Håkon Angell; Ystgaard, Brynjulf. (2013) Kirurgien som ikke blir gjort. Kirurgen
  Populærvitenskapelig artikkel
• Bolkan, Håkon Angell; Ystgaard, Brynjulf. (2013) Kirurgisk opplæring i Sierra Leone. Kirurgen
  Populærvitenskapelig artikkel
• Ystgaard, Brynjulf; Bolkan, Håkon Angell. (2013) Surgery and task shifting in the rainforest. Tidsskrift for Den norske legeforening
  Populærvitenskapelig artikkel

2011

• Bolkan, Håkon Angell. (2011) Kriminelt å redde liv?. Dagsavisen - Nye Meninger
  Kronikk
• Dvergsdal, Elin Yli; Bolkan, Håkon Angell. (2011) The global health workforce crisis. Tidsskrift for Den norske legeforening
  Populærvitenskapelig artikkel

2009

• Bolkan, Håkon Angell. (2009) Knuste liv. Tidsskrift for Den norske legeforening
  Short communication

2008

• Bolkan, Håkon Angell. (2008) Malaria – en stille katastrofe. Tidsskrift for Den norske legeforening
  Populærvitenskapelig artikkel
• Bolkan, Håkon Angell. (2008) Militær bistand og den humanitære slagmark. Tidsskrift for Den norske legeforening
  Short communication