title: Analytical approaches to twin and family data.
authors.affiliation: Department of Psychology, University of Minnesota, Minneapolis 55455.
authors.forename: M
authors.initials: M
authors.lastname: McGue
mesh_terms: D004200:Diseases in Twins; D006801:Humans; D010641:Phenotype; D012107:Research Design; D012931:Social Environment; D019966:Substance-Related Disorders / Q000235:genetics* / Q000523:psychology; D014429:Twins, Dizygotic; D014430:Twins, Monozygotic