title: Nitrous oxide cryosurgical units: their use in veterinary practice.
mesh_terms: D000818:Animals; D003452:Cryosurgery / Q000662:veterinary*; D004283:Dog Diseases / Q000601:surgery*; D004285:Dogs; D005260:Female; D008297:Male; D009609:Nitrous Oxide
chemical_list: D009609:Nitrous Oxide