title: Subspecialist radiology.
authors.affiliation: Intestinal Imaging Centre, St. Mark's Hospital, Northwick Park, Watford Road, Harrow HA1 3UJ, UK. s.halligan@ic.ac.uk
authors.forename: S
authors.initials: S
authors.lastname: Halligan
mesh_terms: D002983:Clinical Competence; D006801:Humans; D011871:Radiology / Q000458:organization & administration* / Q000592:standards; D013038:Specialization