title: Radiographic findings of shoulder involvement in ankylosing spondylitis.
authors.affiliation: Servicio de Reumatología, Hospital General Regional 220, Instituto Mexicano del Seguro Social, Toluca, Estado de México, México. Electronic address: gabho@hotmail.com.
authors.forename: Gabriel
authors.initials: G
authors.lastname: Horta-Baas
authors.affiliation: Departamento de Reumatología, Hospital de Especialidades, Centro Médico Nacional Siglo XXI, México, D.F., México.
authors.forename: Francisco Javier
authors.initials: FJ
authors.lastname: Jiménez-Balderas
mesh_terms: D000328:Adult; D006801:Humans; D008297:Male; D011859:Radiography; D012785:Shoulder Joint / Q000000981:diagnostic imaging*; D013167:Spondylitis, Ankylosing / Q000000981:diagnostic imaging*