Parapakpenjune, S. “Factor Concentrates Usage in Hemophilia A Children: Comparison the Outcomes of Treatment Within 2 Hours and 2-24 Hours After the Onset of Bleeding Symptom”. Journal of Health Science of Thailand, vol. 19, no. 3, Jan. 2018, pp. 400-8, https://thaidj.org/index.php/JHS/article/view/1433.