Animal welfare forum: overpopulation of unwanted dogs and cats. New developments in small animal population control.
Olson
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Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St Paul 55108.
Johnston
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D000028:Abortion, Induced / Q000662:veterinary*; D000818:Animals; D002415:Cats / Q000502:physiology*; D003267:Contraception / Q000639:trends / Q000662:veterinary*; D004285:Dogs / Q000502:physiology*; D005260:Female; D008297:Male; D011155:Population Control; D011247:Pregnancy