RT Journal Article SR Electronic T1 COLLEGE ARMS JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 251 OP 251 VO 27 IS 177 A1 R. J. F. H. Pinsent YR 1977 UL http://bjgp.org/content/27/177/251.2.abstract AB