PT - JOURNAL ARTICLE AU - Barbara Sibbald TI - US estrogen plus progestin HRT trial stopped due to increased risk of breast cancer, stroke and heart attack DP - 2002 Aug 06 TA - Canadian Medical Association Journal PG - 294--294-a VI - 167 IP - 3 4099 - http://www.cmaj.ca/content/167/3/294.2.short 4100 - http://www.cmaj.ca/content/167/3/294.2.full SO - CMAJ2002 Aug 06; 167