title: [A supernumerary bone].
authors.affiliation: Departamento de Neurología, Hospital Infanta Sofía, San Sebastián de los Reyes, Madrid, España. g3.neuro@gmail.com
authors.forename: Gerardo
authors.initials: G
authors.lastname: Gutiérrez-Gutiérrez
authors.forename: María
authors.initials: M
authors.lastname: Sereno Moyano
mesh_terms: D000328:Adult; D005547:Foreign Bodies / Q000000981:diagnostic imaging* / Q000209:etiology; D006801:Humans; D008297:Male; D011859:Radiography; D012007:Rectum / Q000000981:diagnostic imaging*; D012725:Sexual Behavior