RT Journal Article SR Electronic T1 The European Working Time Directive and training JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 98 OP 98 DO 10.7861/clinmedicine.11-1-98a VO 11 IS 1 A1 Felix Chua YR 2011 UL http://www.rcpjournals.org/content/11/1/98.2.abstract