PT - JOURNAL ARTICLE AU - Stewart, John TI - Practice pieces DP - 2000 Feb 22 TA - Canadian Medical Association Journal PG - 541--542 VI - 162 IP - 4 4099 - http://www.cmaj.ca/content/162/4/541.short 4100 - http://www.cmaj.ca/content/162/4/541.full SO - CMAJ2000 Feb 22; 162