PT - JOURNAL ARTICLE AU - Thomas J. Louie AU - Jon Meddings TI - <em>Clostridium difficile</em> infection in hospitals: risk factors and responses AID - 10.1503/cmaj.1040966 DP - 2004 Jul 06 TA - Canadian Medical Association Journal PG - 45--46 VI - 171 IP - 1 4099 - http://www.cmaj.ca/content/171/1/45.short 4100 - http://www.cmaj.ca/content/171/1/45.full SO - CMAJ2004 Jul 06; 171