Cohen, J. M. .; Cesta, C. E. .; Kjerpeseth, L. .; Leinonen, M. K. .; Hálfdánarson, Óskar; Karlstad , Øystein .; Karlsson, P. .; Andersen, M. .; Furu, K.; Hjellvik, V. . A Common Data Model for Harmonization in the Nordic Pregnancy Drug Safety Studies (NorPreSS). Nor J Epidemiol 2021, 29.