PT - JOURNAL ARTICLE AU - J. S. Keystone AU - J. D. MacLean TI - Prevention of malaria in travellers: a growing problem DP - 1989 Nov 15 TA - Canadian Medical Association Journal PG - 1037--1038 VI - 141 IP - 10 4099 - http://www.cmaj.ca/content/141/10/1037.short 4100 - http://www.cmaj.ca/content/141/10/1037.full SO - CMAJ1989 Nov 15; 141