RT Journal Article SR Electronic T1 SAFE SPACE JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 565 OP 565 VO 37 IS 305 A1 C.W.G. Angus YR 1987 UL http://bjgp.org/content/37/305/565.2.abstract AB