title: Pregnancy diagnosis in the pig: a review.
mesh_terms: D000818:Animals; D001706:Biopsy / Q000662:veterinary; D002582:Cervix Mucus; D004958:Estradiol / Q000652:urine; D004970:Estrone / Q000652:urine; D004973:Estrus Synchronization / Q000187:drug effects; D005260:Female; D005333:Fetus / Q000000981:diagnostic imaging; D010173:Palpation / Q000662:veterinary; D011247:Pregnancy; D011258:Pregnancy Tests / Q000379:methods / Q000662:veterinary*; D011859:Radiography; D013552:Swine / Q000502:physiology*; D014463:Ultrasonography; D014621:Vagina / Q000166:cytology
chemical_list: D004970:Estrone; D004958:Estradiol