Ørstavik, Ragnhild

• Norsk Epidemiologi Vol. 26 No. 1-2 (2016): Tvillingforskning - Articles
  Social inequalities in reception of social welfare support: A population based twin study
  Abstract  PDF
• Norsk Epidemiologi Vol. 26 No. 1-2 (2016): Tvillingforskning - Articles
  Maternal body composition in relation to twinning
  Abstract  PDF
• Norsk Epidemiologi Vol. 26 No. 1-2 (2016): Tvillingforskning - Articles
  The Norwegian Twin Registry
  Abstract  PDF