RT Journal Article SR Electronic T1 A cross-sectional audit of the uptake of the seasonal influenza vaccination by medical staff at a London hospital JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 633 OP 633 DO 10.7861/clinmedicine.13-6-633 VO 13 IS 6 A1 Anthony Isaacs A1 Alexandra Chryssanthakis A1 Sonya Abraham YR 2013 UL http://www.rcpjournals.org/content/13/6/633.abstract