TY - JOUR T1 - Dr. Roger Poisson: "I have learned my lesson the hard way" JF - Canadian Medical Association Journal JO - CMAJ SP - 835 LP - 837 VL - 151 IS - 6 AU - F. Lowry Y1 - 1994/09/15 UR - http://www.cmaj.ca/content/151/6/835.abstract ER -