RT Journal Article SR Electronic T1 From aviation to clinical medicine JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 378 OP 378 DO 10.7861/clinmedicine.2-4-378a VO 2 IS 4 A1 GV Williams YR 2002 UL http://www.rcpjournals.org/content/2/4/378.2.abstract AB