Srisangchun, Janya, and Chedsada Noppawinyoowong. 2013. “Chemical Stability and Sterility of Frozen Ganciclovir Injections”. Srinagarind Medical Journal 23 (1):2-6. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13047.