title: Twin studies in medical research.
authors.forename: D I
authors.initials: DI
authors.lastname: Phillips
mesh_terms: D001724:Birth Weight; D030342:Genetic Diseases, Inborn / Q000235:genetics*; D006801:Humans; D007231:Infant, Newborn; D012106:Research; D014427:Twins / Q000235:genetics*