TY - JOUR T1 - Health workers murdered as Pakistan vaccinates 8.4 million children JF - Canadian Medical Association Journal JO - CMAJ SP - E302 LP - E302 DO - 10.1503/cmaj.109-4776 VL - 186 IS - 9 AU - Ashfaq Yusufzai Y1 - 2014/06/10 UR - http://www.cmaj.ca/content/186/9/E302.abstract N2 - ER -