Long, Vu, A, Niramitsantipon, C, Jiraphongsa, B, Attawong, W, Khuankaw, S, Tipsriraj, AND S, Pattamadilok. "Investigation on Measles Outbreak among University Students in Phrae Province, Thailand, 2008: Risk Factors and Seroprevalence of Antibodies to Measles" OSIR Journal [Online], Volume 4 Number 1 (20 November 2016)