PT - JOURNAL ARTICLE AU - Trent, B. TI - Attempts to improve rail safety run head on into CMA concerns DP - 1989 Feb 15 TA - Canadian Medical Association Journal PG - 430--434 VI - 140 IP - 4 4099 - http://www.cmaj.ca/content/140/4/430.short 4100 - http://www.cmaj.ca/content/140/4/430.full SO - CMAJ1989 Feb 15; 140