TY - JOUR T1 - Were polio to return, today… JF - Canadian Medical Association Journal JO - CMAJ SP - 1244 LP - 1244 DO - 10.1503/cmaj.080449 VL - 178 IS - 9 AU - Tom Koch, PhD Y1 - 2008/04/22 UR - http://www.cmaj.ca/content/178/9/1244.abstract ER -