title: Etiology and genetics of collagen diseases.
authors.affiliation: Hospital for Special Surgery, New York, NY 10021.
authors.forename: D Y
authors.initials: DY
authors.lastname: Porges
authors.forename: A J
authors.initials: AJ
authors.lastname: Porges
authors.forename: A
authors.initials: A
authors.lastname: Gibofsky
mesh_terms: D003095:Collagen Diseases / Q000209:etiology* / Q000235:genetics; D003882:Dermatomyositis / Q000209:etiology; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000209:etiology; D012595:Scleroderma, Systemic / Q000209:etiology