title: Potential confounding factors in cancer studies.
authors.forename: Douglas
authors.initials: D
authors.lastname: Knueven
mesh_terms: D000818:Animals; D001859:Bone Neoplasms / Q000662:veterinary*; D004283:Dog Diseases / Q000628:therapy*; D005260:Female; D008297:Male; D012516:Osteosarcoma / Q000662:veterinary*