title: Further observations on Protostrongylus sp. infection by transplacental transmission in bighorn sheep.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D005260:Female; D005315:Fetal Diseases / Q000209:etiology / Q000662:veterinary; D008297:Male; D008431:Maternal-Fetal Exchange; D008681:Metastrongyloidea; D009349:Nematode Infections / Q000209:etiology / Q000662:veterinary*; D011247:Pregnancy; D012756:Sheep; D012757:Sheep Diseases / Q000209:etiology*