title: Localization of H.C.G. in human spermatogonia.
mesh_terms: D001345:Autoradiography; D006063:Chorionic Gonadotropin / Q000378:metabolism*; D006801:Humans; D008297:Male; D013737:Testis / Q000378:metabolism*; D014316:Tritium
chemical_list: D006063:Chorionic Gonadotropin; D014316:Tritium