TY - JOUR T1 - Letters from Egypt JF - Canadian Medical Association Journal JO - CMAJ SP - 119 LP - 119-a DO - 10.1503/cmaj.1040778 VL - 171 IS - 2 AU - A. Mark Clarfield Y1 - 2004/07/20 UR - http://www.cmaj.ca/content/171/2/119.2.abstract ER -