PT - JOURNAL ARTICLE AU - Subhash C. Arya AU - Nirmala Agarwal TI - Polio immunity in Ontario AID - 10.1503/cmaj.110-2122 DP - 2010 Nov 09 TA - Canadian Medical Association Journal PG - 1762--1763 VI - 182 IP - 16 4099 - http://www.cmaj.ca/content/182/16/1762.short 4100 - http://www.cmaj.ca/content/182/16/1762.full SO - CMAJ2010 Nov 09; 182