[Alfred Grotjahn and social hygiene].
D003140:Communicable Disease Control; D005193:Family Planning Services; D005858:Germany; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D011634:Public Health; D012936:Social Medicine / Q000266:history
Alfred Grotjahn und die Sozialhygiene.