title: Lessons from conjoined twins.
authors: Department of Laboratory Medicine, Victoria General Hospital, British Columbia, Canada.
authors: G A
authors: GA
authors: Machin
authors: G H
authors: GH
authors: Sperber
mesh_terms: D004627:Embryonic Induction; D006801:Humans; D014428:Twins, Conjoined / Q000145:classification / Q000196:embryology*