title: Population stratifications can cause false positive linkage results if founders are untyped.
authors.affiliation: Department of Psychological Medicine, Institute of Psychiatry, London.
authors.forename: D
authors.initials: D
authors.lastname: Curtis
authors.forename: P C
authors.initials: PC
authors.lastname: Sham
mesh_terms: D000483:Alleles; D018703:Founder Effect; D005787:Gene Frequency; D008040:Genetic Linkage / Q000235:genetics*; D005828:Genetics, Population; D005838:Genotype; D010375:Pedigree; D011110:Polymorphism, Genetic / Q000235:genetics; D012984:Software