PT - JOURNAL ARTICLE AU - Robin Wolfe Scheffler TI - Protecting children: the American turn from polio to cancer vaccines AID - 10.1503/cmaj.181630 DP - 2019 Jul 02 TA - Canadian Medical Association Journal PG - E739--E741 VI - 191 IP - 26 4099 - http://www.cmaj.ca/content/191/26/E739.short 4100 - http://www.cmaj.ca/content/191/26/E739.full SO - CMAJ2019 Jul 02; 191