PT - JOURNAL ARTICLE AU - J. Lexchin TI - PMAC Code of Marketing Practices DP - 1999 Jun 01 TA - Canadian Medical Association Journal PG - 1556--1556 VI - 160 IP - 11 4099 - http://www.cmaj.ca/content/160/11/1556.1.short 4100 - http://www.cmaj.ca/content/160/11/1556.1.full SO - CMAJ1999 Jun 01; 160