Janhangeer, M. I., G. Youssef, W. El Naggar, and D. El Remisy,  "Subtle right ventricular dysfunction in asymptomatic chronic heavy cigarette smokers: a speckle tracking case-control study.",  The Egyptian heart journal : (EHJ) : official bulletin of the Egyptian Society of Cardiology, vol. 73, issue 1, pp. 25, 2021.