title: Pedigree analysis of a rare type of polydactylism.
mesh_terms: D002648:Child; D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D005260:Female; D005808:Genes, Recessive; D005826:Genetics, Medical; D006228:Hand Deformities, Congenital; D006801:Humans; D010375:Pedigree