RT Journal Article SR Electronic T1 MANUAL OF PRIMARY HEALTH CARE JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 438 OP 438 VO 29 IS 204 A1 Michael Drury YR 1979 UL http://bjgp.org/content/29/204/438.1.abstract AB