[On the development of hematology associations].
D001208:Asia; D005060:Europe; D006405:Hematology / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D012955:Societies, Medical / Q000266:history*; D013020:South America; D014481:United States
Uber die Entwicklung der hämatologischen Gesellschaften.