title: [Johan Ham, discoverer of spermatozoa].
mesh_terms: D003585:Cell Biology / Q000266:history; D049670:History, 17th Century; D006801:Humans; D008297:Male; D008853:Microscopy / Q000266:history; D009426:Netherlands; D013094:Spermatozoa
vernacular_title: Johan Ham, a spermiumok felfedezöje.