title: [Pachyonychia congenita. Molecular genetic analysis simplifies clinical classification in subtypes].
mesh_terms: D002869:Chromosome Aberrations; D004252:DNA Mutational Analysis; D003937:Diagnosis, Differential; D004476:Ectodermal Dysplasia / Q000145:classification / Q000235:genetics*; D005799:Genes, Dominant; D006801:Humans; D007633:Keratins / Q000235:genetics*; D009260:Nail Diseases / Q000145:classification / Q000235:genetics*; D010641:Phenotype
chemical_list: D007633:Keratins