[The first sperm captured in a picture: on its way to the ovum or out of the ovum?].
Hakulinen
E
E
Karolinska institutets bibliotek och informationscentral, Stockholm.
D005260:Female; D005858:Germany; D049690:History, Ancient; D049691:History, Medieval; D006801:Humans; D008297:Male; D008488:Medical Illustration / Q000266:history; D008512:Medicine in the Arts; D013084:Sperm-Ovum Interactions / Q000502:physiology