title: A case of monster twinning (thoracopagus) in the Sprague Dawley rat (Spartan strain).
mesh_terms: D000818:Animals; D000830:Animals, Laboratory; D051381:Rats; D011919:Rats, Inbred Strains; D012376:Rodent Diseases; D014428:Twins, Conjoined / Q000662:veterinary*