title: The influence of heredity and environment on six variables describing incisor orientation.
authors.forename: A
authors.initials: A
authors.lastname: Lundström
authors.forename: J
authors.initials: J
authors.lastname: McWilliam
mesh_terms: D000293:Adolescent; D000328:Adult; D002508:Cephalometry; D005260:Female; D005823:Genetics; D006801:Humans; D007180:Incisor / Q000033:anatomy & histology*; D008297:Male; D012931:Social Environment; D014092:Tooth Root / Q000033:anatomy & histology; D014427:Twins; D014429:Twins, Dizygotic; D014430:Twins, Monozygotic