The Everton marker--a radiographic aid for hip and shoulder replacements.
McLeod
E
E
Royal Liverpool Hospital.
D006615:Hip / Q000000981:diagnostic imaging*; D006622:Hip Prosthesis; D006801:Humans; D019736:Prostheses and Implants; D011859:Radiography; D012782:Shoulder / Q000000981:diagnostic imaging*; D013679:Technology, Radiologic / Q000295:instrumentation*