title: Laterality defects in conjoined twins.
authors.forename: M
authors.initials: M
authors.lastname: Levin
authors.forename: D J
authors.initials: DJ
authors.lastname: Roberts
authors.forename: L B
authors.initials: LB
authors.lastname: Holmes
authors.forename: C
authors.initials: C
authors.lastname: Tabin
mesh_terms: D028341:Activins; D000818:Animals; D002645:Chickens; D004200:Diseases in Twins / Q000196:embryology; D004627:Embryonic Induction; D053823:Hedgehog Proteins; D006801:Humans; D007265:Inhibins / Q000502:physiology; D055457:Nodal Protein; D011506:Proteins / Q000502:physiology; D015534:Trans-Activators; D016212:Transforming Growth Factor beta; D014428:Twins, Conjoined / Q000196:embryology / Q000473:pathology*
chemical_list: D053823:Hedgehog Proteins; C526007:NODAL protein, human; D055457:Nodal Protein; D011506:Proteins; D015534:Trans-Activators; D016212:Transforming Growth Factor beta; D028341:Activins; D007265:Inhibins