The relation of fetal age to the character of lesions in fetal lambs infected with Brucella ovis.
D000367:Age Factors; D000818:Animals; D002006:Brucellosis / Q000662:veterinary*; D005260:Female; D005315:Fetal Diseases / Q000662:veterinary*; D011247:Pregnancy; D012756:Sheep; D012757:Sheep Diseases / Q000276:immunology*