Alam, S., Naqvi, S. B. S., & Aslam, M. (2016). Coronary Heart Disease: Impact of Socioeconomic Status on Unstable Angina/NSTEMI among Population of Karachi. Bangladesh Journal of Medical Science, 15(3), 343–346. https://doi.org/10.3329/bjms.v15i3.22029