RT Journal Article SR Electronic T1 Sydney Francis Marwood, MD, FRCGP, MRCP JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 381 OP 382 VO 28 IS 191 A1 John Miles YR 1978 UL http://bjgp.org/content/28/191/381.abstract AB