RT Journal Article SR Electronic T1 Present State and Future Needs JF The Journal of the College of General Practitioners JO J Coll Gen Pract FD British Journal of General Practice SP 109 OP 111 VO 11 IS 1 A1 D. H. Johnston A1 H. F. Reichenfeld YR 1966 UL http://bjgp.org/content/11/1/109.2.abstract AB