Arif, S., Lutfullah, G., Waheed, M. R., Khan, S. A., & Iftikhar, B. (2010). EFFECT OF SMOKING ON HOMOCYSTEINE, VITAMIN B12 AND FOLIC ACID LEVLES IN THE PATIENTS OF ACUTE MYOCARDIAL INFARCTION. Journal of Medical Sciences, 18(3), 143–146. Retrieved from https://jmedsci.com/Jmedsci/article/view/436