title: Germ theories in medicine prior to 1870: further comments on continuity in science.
mesh_terms: D003141:Communicable Diseases / Q000266:history*; D005060:Europe; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D006801:Humans