TY - JOUR T1 - Need for national surveillance for hospital infections JF - Canadian Medical Association Journal JO - CMAJ SP - 22 LP - 22 DO - 10.1503/cmaj.1040980 VL - 171 IS - 1 AU - Laura Eggertson AU - Barbara Sibbald Y1 - 2004/07/06 UR - http://www.cmaj.ca/content/171/1/22.1.abstract ER -