RT Journal Article SR Electronic T1 Survey of analgesic use. JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 76 OP 78 VO 39 IS 319 A1 H Fairhurst YR 1989 UL http://bjgp.org/content/39/319/76.2.abstract AB