title: Comparative studies on the karyotype of Ascaris suum and "Ascaris ovis".
mesh_terms: D000818:Animals; D001196:Ascariasis / Q000473:pathology; D001200:Ascaris / Q000145:classification / Q000166:cytology*; D002455:Cell Division; D002875:Chromosomes / Q000032:analysis; D007621:Karyotyping; D008297:Male; D051379:Mice; D012756:Sheep; D013045:Species Specificity; D013094:Spermatozoa / Q000166:cytology; D013552:Swine