[Results of the 1977/78 perinatologic survey of the Swiss Academy of Medical Sciences].
D005260:Female; D006801:Humans; D010500:Perinatology; D011247:Pregnancy; D012955:Societies, Medical; D013223:Statistics as Topic; D013557:Switzerland
Ergebnisse der Perinatologie-Erhebung 1977/78 der Schweizerischen Akademie der Medizinischen Wissenschaften.