RT Journal Article SR Electronic T1 Research-in JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 502 OP 503 VO 23 IS 132 A1 The Research Unit of the Royal College of General Practitioners YR 1973 UL http://bjgp.org/content/23/132/502.abstract AB