The application of twin methods in orthodontic research.
D001789:Blood Group Antigens; D002508:Cephalometry; D002648:Child; D003951:Diagnostic Errors; D004777:Environment; D005260:Female; D005826:Genetics, Medical; D006801:Humans; D008297:Male; D008445:Maxillofacial Development; D011247:Pregnancy; D011859:Radiography; D012886:Skull / Q000000981:diagnostic imaging; D014427:Twins
D001789:Blood Group Antigens