RT Journal Article SR Electronic T1 JAMES MACKENZIE LECTURE JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 239 OP 239 VO 28 IS 189 A1 P. W. Bowden YR 1978 UL http://bjgp.org/content/28/189/239.2.abstract AB