RT Journal Article SR Electronic T1 Malaria prevention for travellers to west Africa JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 521 OP 521 VO 38 IS 316 A1 J.M. Ward YR 1988 UL http://bjgp.org/content/38/316/521.3.abstract AB