RT Journal Article SR Electronic T1 OUT-OF-HOURS WORK JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 257 OP 257 VO 26 IS 165 A1 J. C. B. Thompson YR 1976 UL http://bjgp.org/content/26/165/257.1.abstract AB