[The development of infant hygiene in this century].
D005858:Germany; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D006920:Hygiene / Q000266:history*; D007223:Infant; D007224:Infant Care / Q000266:history*; D007226:Infant Mortality / Q000266:history; D007231:Infant, Newborn
Ueber die Entwicklung der Säuglingshygiene in diesem Jahrhundert.