Postoev, V. A., Grjibovski, A. M., Nieboer, E., & Odland, J. Ø. (2015). Changes in detection of birth defects and perinatal mortality after introduction of prenatal ultrasound screening in the Kola Peninsula (North-West Russia): Combination of two birth registries. BMC Pregnancy Childbirth.

Postoev, Vitaly A., Andrej M. Grjibovski, Evert Nieboer, and Jon Øyvind Odland. "Changes in Detection of Birth Defects and Perinatal Mortality After Introduction of Prenatal Ultrasound Screening in the Kola Peninsula (North-West Russia): Combination of Two Birth Registries." BMC Pregnancy Childbirth 2015.

Postoev, Vitaly A., Andrej M. Grjibovski, Evert Nieboer, and Jon Øyvind Odland. "Changes in Detection of Birth Defects and Perinatal Mortality After Introduction of Prenatal Ultrasound Screening in the Kola Peninsula (North-West Russia): Combination of Two Birth Registries." BMC Pregnancy Childbirth 2015.