title: Using twin studies to label disease as genetic or environmental is inappropriate.
authors: Alex J
authors: AJ
authors: MacGregor
authors: Jerry
authors: J
authors: Lanchbury
authors: Alan S
authors: AS
authors: Rigby
authors: Jaakko
authors: J
authors: Kaprio
authors: Harold
authors: H
authors: Snieder
mesh_terms: D001172:Arthritis, Rheumatoid / Q000235:genetics*; D004200:Diseases in Twins / Q000235:genetics*; D020022:Genetic Predisposition to Disease; D006801:Humans; D012107:Research Design; D018433:Twin Studies as Topic