PT - JOURNAL ARTICLE AU - Ronald Ruskin TI - Why we wash our hands AID - 10.1503/cmaj.050928 DP - 2005 Oct 25 TA - Canadian Medical Association Journal PG - 1074--1075 VI - 173 IP - 9 4099 - http://www.cmaj.ca/content/173/9/1074.short 4100 - http://www.cmaj.ca/content/173/9/1074.full SO - CMAJ2005 Oct 25; 173