PT - JOURNAL ARTICLE AU - N. Birkett TI - Confidentiality and research DP - 1993 Feb 15 TA - Canadian Medical Association Journal PG - 486--487 VI - 148 IP - 4 4099 - http://www.cmaj.ca/content/148/4/486.short 4100 - http://www.cmaj.ca/content/148/4/486.full SO - CMAJ1993 Feb 15; 148