_:vb50945338 . _:vb50945338 "url:https://www.ncbi.nlm.nih.gov/pubmed/19609311"^^ . _:vb50945338 . _:vb50945338 . _:vb50945338 "url:https://www.ncbi.nlm.nih.gov/pubmed/21801157"^^ . _:vb50945338 "A nonepidermolytic palmoplantar keratoderma characterized by focal or diffuse palmoplantar keratodermas with minor or absent nail changes that has_material_basis_in heterozygous mutation in KRT6C on chromosome 12q13.13."^^ . _:vb50945338 . _:vb50945338 .