title: Do twin Lyons have larger spots?
authors.affiliation: Department of Human Genetics, Medical College of Virginia, Richmond 23298.
authors.forename: W E
authors.initials: WE
authors.lastname: Nance
mesh_terms: D004200:Diseases in Twins / Q000235:genetics*; D004303:Dosage Compensation, Genetic; D005260:Female; D006801:Humans; D009136:Muscular Dystrophies / Q000235:genetics*; D014427:Twins; D014430:Twins, Monozygotic