PT - JOURNAL ARTICLE AU - David Zitner AU - Donald Fay AU - Neil Ritchie TI - Validity of utilization review tools DP - 2000 Nov 14 TA - Canadian Medical Association Journal PG - 1239--1239 VI - 163 IP - 10 4099 - http://www.cmaj.ca/content/163/10/1239.1.short 4100 - http://www.cmaj.ca/content/163/10/1239.1.full SO - CMAJ2000 Nov 14; 163