Ching PK, Zapanta MJ, de los Reyes VC, Tayag E, Magpantay R. Investigation of a measles outbreak in Cordillera, Northern Philippines, 2013. Western Pac Surveill Response J [Internet]. 2016 Jul. 11 [cited 2025 Jul. 24];7(3). Available from: https://ojs.wpro.who.int/ojs/index.php/wpsar/article/view/412