PT - JOURNAL ARTICLE AU - J. R. Williams TI - CMA guidelines on MD-drug industry relations part of international trend DP - 1992 Feb 01 TA - Canadian Medical Association Journal PG - 386--388 VI - 146 IP - 3 4099 - http://www.cmaj.ca/content/146/3/386.short 4100 - http://www.cmaj.ca/content/146/3/386.full SO - CMAJ1992 Feb 01; 146