title: Callused feet, thick nails, and white tongue. Pachyonychia congenita.
authors.affiliation: Cleveland (Ohio) Clinic.
authors.forename: H A
authors.initials: HA
authors.lastname: Oriba
authors.forename: J S
authors.initials: JS
authors.lastname: Lo
authors.forename: W F
authors.initials: WF
authors.lastname: Bergfeld
mesh_terms: D000328:Adult; D002145:Callosities / Q000150:complications* / Q000235:genetics / Q000473:pathology; D006801:Humans; D008297:Male; D009260:Nail Diseases / Q000150:complications* / Q000235:genetics / Q000473:pathology; D014060:Tongue Diseases / Q000150:complications* / Q000235:genetics / Q000473:pathology