title: Light and electron microscopic studies of "hairpin curves deformity" on boar spermatozoa.
mesh_terms: D000818:Animals; D008297:Male; D012661:Semen / Q000166:cytology; D013094:Spermatozoa / Q000166:cytology* / Q000648:ultrastructure; D013552:Swine / Q000033:anatomy & histology*