PT - JOURNAL ARTICLE AU - Milorad Letic TI - Determining optimal catheterization rates AID - 10.1503/cmaj.1050183 DP - 2006 Jan 31 TA - Canadian Medical Association Journal PG - 349--349-a VI - 174 IP - 3 4099 - http://www.cmaj.ca/content/174/3/349.2.short 4100 - http://www.cmaj.ca/content/174/3/349.2.full SO - CMAJ2006 Jan 31; 174