RT Journal Article SR Electronic T1 Voluntary organizations: an underused asset JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 512 OP 512 VO 37 IS 304 A1 P.N. Jarvis YR 1987 UL http://bjgp.org/content/37/304/512.3.abstract AB