RT Journal Article SR Electronic T1 Core data for practice annual reports. JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 520 OP 520 VO 39 IS 329 A1 M G Dornan YR 1989 UL http://bjgp.org/content/39/329/520.3.abstract AB