RT Journal Article SR Electronic T1 ALLEN J. WHITAKER O.B.E., F.R.C.S., F.R.C.G.P JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 763 OP 763 VO 26 IS 171 A1 S. N. Cole YR 1976 UL http://bjgp.org/content/26/171/763.abstract AB