title: Lessons in the investigation of irritable hip: failure of ultrasound to detect haemarthrosis.
authors.affiliation: Nuffield Orthopaedic Centre, Headington, Oxford, England.
authors.forename: A G
authors.initials: AG
authors.lastname: Mathie
authors.forename: M K
authors.initials: MK
authors.lastname: Benson
authors.forename: D J
authors.initials: DJ
authors.lastname: Wilson
mesh_terms: D001707:Biopsy, Needle; D002648:Child; D006395:Hemarthrosis / Q000150:complications / Q000000981:diagnostic imaging* / Q000473:pathology; D006617:Hip Dislocation / Q000150:complications / Q000000981:diagnostic imaging* / Q000473:pathology; D006621:Hip Joint / Q000000981:diagnostic imaging* / Q000473:pathology; D006801:Humans; D007223:Infant; D008297:Male; D011859:Radiography; D015203:Reproducibility of Results; D014463:Ultrasonography