PT - JOURNAL ARTICLE AU - J. Lexchin TI - Secrecy and the Health Protection Branch DP - 1998 Sep 08 TA - Canadian Medical Association Journal PG - 481--483 VI - 159 IP - 5 4099 - http://www.cmaj.ca/content/159/5/481.short 4100 - http://www.cmaj.ca/content/159/5/481.full SO - CMAJ1998 Sep 08; 159