TY - JOUR T1 - Canadian mnemonics for heart sounds JF - Canadian Medical Association Journal JO - CMAJ SP - 69 LP - 69-a DO - 10.1503/cmaj.1060180 VL - 176 IS - 1 AU - J. Wayne Warnica Y1 - 2007/01/02 UR - http://www.cmaj.ca/content/176/1/69.2.abstract ER -