TY - JOUR T1 - The Check-Off: A precursor of medicare in Canada? JF - Canadian Medical Association Journal JO - CMAJ SP - 1504 LP - 1506 VL - 173 IS - 12 AU - Chryssa McAlister AU - Peter Twohig Y1 - 2005/12/06 UR - http://www.cmaj.ca/content/173/12/1504.abstract ER -