title: Underage desexing: reply.
authors.forename: H L
authors.initials: HL
authors.lastname: Hirschhorn
mesh_terms: D000367:Age Factors; D000827:Animal Welfare; D000818:Animals; D002369:Castration / Q000009:adverse effects / Q000662:veterinary*; D002415:Cats / Q000601:surgery*; D004285:Dogs / Q000601:surgery*; D005260:Female; D008297:Male