Yousuf, F. A., K. Kazmi, J. Iqbal, N. Ahmed, and M. P. Iqbal. “Higher DNA Methylation of ABO Gene Promoter is associated With Acute Myocardial Infarction in a Hospital-Based Population in Karachi: Hypermethylation of ABO Gene Promoter and AMI”. Pakistan Journal of Medical Sciences, Vol. 36, no. 3, Mar. 2020, doi:10.12669/pjms.36.3.1406.