D. Z. Sajjad, S. A. Khan, H. S. Malik, C. Altaf, N. Khan, and A. Khurshid, “FREQUENCY OF PROTHROMBIN GENE MUTATION IN VENOUS THROMBOEMBOLISM IN NORTHERN PAKISTAN”, PAFMJ, vol. 68, no. 1, pp. 04–07, Feb. 2018.