[Can progress in obstetrics be measured?].
Bretscher
J
J
D005260:Female; D006801:Humans; D007231:Infant, Newborn; D009774:Obstetrics / Q000639:trends*; D010686:Philosophy, Medical; D011247:Pregnancy; D013557:Switzerland
Ist der Fortschritt in der Geburtshilfe messbar?