RT Journal Article SR Electronic T1 MEDICAL INFORMATION JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 306 OP 306 VO 30 IS 214 A1 Penelope E. Cockerill YR 1980 UL http://bjgp.org/content/30/214/306.3.abstract AB