title: [Difficult-to-diagnose chronic lingual ulcer (Riga-Fede disease)].
authors.forename: M
authors.initials: M
authors.lastname: Benito Gutiérrez
authors.forename: A P
authors.initials: AP
authors.lastname: Nso Roca
authors.forename: F
authors.initials: F
authors.lastname: Del Castillo Martín
authors.forename: J
authors.initials: J
authors.lastname: Leal de la Rosa
mesh_terms: D002908:Chronic Disease; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D019226:Oral Ulcer / Q000175:diagnosis*; D014060:Tongue Diseases / Q000175:diagnosis*