title: Mislabelling of twin zygosities--the Genes in Myopia (GEM) twin study.
authors.forename: Mohamed
authors.initials: M
authors.lastname: Dirani
authors.forename: Maria
authors.initials: M
authors.lastname: Schache
authors.forename: Paul N
authors.initials: PN
authors.lastname: Baird
mesh_terms: D000328:Adult; D004200:Diseases in Twins / Q000235:genetics*; D005260:Female; D005838:Genotype; D006801:Humans; D008297:Male; D009216:Myopia / Q000235:genetics*; D014429:Twins, Dizygotic / Q000235:genetics*; D014430:Twins, Monozygotic / Q000235:genetics*; D014792:Visual Acuity