[RESULTS OF READ'S METHOD OF NATURAL CHILDBIRTH. ATTEMPT AT A STATISTICAL EVALUATION].
D005260:Female; D006801:Humans; D009321:Natural Childbirth; D011247:Pregnancy; D013223:Statistics as Topic
NATURAL CHILDBIRTH; STATISTICS
ERGEBNISSE DER READSCHEN GEBURTSLEITUNG. VERSUCH EINER STATISTICHEN AUSWERTUNG.