title: Monozygotic twins discordant for thumb polydactyly.
authors.forename: Steven L
authors.initials: SL
authors.lastname: Peterson
authors.forename: Ghazi M
authors.initials: GM
authors.lastname: Rayan
mesh_terms: D004200:Diseases in Twins; D005260:Female; D006801:Humans; D007223:Infant; D017689:Polydactyly / Q000235:genetics*; D013933:Thumb / Q000002:abnormalities*; D014430:Twins, Monozygotic