Lumbiganon, P., Tattawasart, U., Sukprasert, S. and Chaikitpinyo, A. (2013) “Rubella Immunization in 18 month-old Thai Children”, Srinagarind Medical Journal, 6(2), pp. 67–72. Available at: https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13562 (Accessed: 30 June 2022).