Placenta, cord and membranes: a dual center validation study of midwives' classifications and notifications to the Medical Birth Registry of Norway.
Ingvild Dahl SundeChristina VeksethSvein RasmussenElham MahjoobKarin CollettCathrine EbbingPublished in: Acta obstetricia et gynecologica Scandinavica (2017)
The results suggest that the validity of data regarding placenta and cord in the MBRN is sufficiently high to justify future large-scale epidemiologic research based on this database.