RT Journal Article SR Electronic T1 The case for the physician assistant JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 494 OP 495 DO 10.7861/clinmedicine.12-5-494a VO 12 IS 5 A1 JJ Glazier YR 2012 UL http://www.rcpjournals.org/content/12/5/494.2.abstract