Postoev, Vitaly A.; Grjibovski, Andrej M.; Nieboer, Evert; Odland, Jon Oyvind
(BioMed Central, 2015-11-23)
BACKGROUND : Prenatal diagnostics ultrasound was established in Russia in 2000 as a routine method of screening
for birth defects. The aims of the current study were twofold: to assess changes in birth defects prevalence ...