title: "Spay or pay"--is mandatory sterilization the answer to pet overpopulation problem?
authors: S
authors: S
authors: Kahler
mesh_terms: D000818:Animals; D001947:Breeding / Q000331:legislation & jurisprudence*; D002369:Castration / Q000662:veterinary*; D002415:Cats / Q000601:surgery; D004285:Dogs / Q000601:surgery; D011156:Population Density; D014481:United States