Pathological studies on proventricular ulcer in swine.
D000818:Animals; D005260:Female; D008297:Male; D008855:Microscopy, Electron, Scanning; D013270:Stomach / Q000473:pathology / Q000648:ultrastructure; D013276:Stomach Ulcer / Q000473:pathology / Q000662:veterinary*; D013552:Swine; D013553:Swine Diseases / Q000473:pathology*