TY - JOUR T1 - So few medical schools, so many clerk rating systems! JF - Canadian Medical Association Journal JO - CMAJ SP - 2161 LP - 2164 VL - 146 IS - 12 AU - P. J. McLeod Y1 - 1992/06/15 UR - http://www.cmaj.ca/content/146/12/2161.abstract ER -