[The poor man's physician who became a versatile scientist].
jan.halldin@gmail.com
Jan
J
Halldin
D000818:Animals; D001680:Biographies as Topic; D001517:Coleoptera / Q000145:classification; D049672:History, 19th Century; D006801:Humans; D006931:Hyperbaric Oxygenation / Q000266:history; D010820:Physicians / Q000266:history*; D011203:Poverty / Q000266:history; D013548:Sweden