Muliartha, Ketut, et al. “Novel Biomarker Monoclonal Antibody Fragmentation Collagen Type IV To Detect Acute Myocardial Infarction Related Perviromonas Gingivalis Infection”. Indonesian Journal of Cardiology, vol. 32, no. 4, June 2013, pp. 209-20, doi:10.30701/ijc.v32i4.80.