RT Journal Article SR Electronic T1 Robert Murdoch McGregor, OBE, TD, MB, CHB, FRCGP JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 510 OP 510 VO 30 IS 217 A1 Knox, J. D. E. YR 1980 UL http://bjgp.org/content/30/217/510.1.abstract AB