RT Journal Article SR Electronic T1 Towards 2000. JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 243 OP 246 VO 36 IS 287 A1 J. C. Hasler YR 1986 UL http://bjgp.org/content/36/287/243.1.abstract AB