Ismail, Dasnan, S. Harun, Idrus Alwi, Karmel L. Tambunan, and Shufrie Effendy. “Anti-Thrombin III, Protein C, and Protein S Deficiency in Acute Coronary Syndrome”. Medical Journal of Indonesia 11, no. 2 (May 1, 2002): 87-92. Accessed November 12, 2019. http://mji.ui.ac.id/journal/index.php/mji/article/view/54.