Newaz, ASM Raushan, Md Saiful Islam, Md Shafiul Alam, Syed Mohammad Monowar Ali, Md Abdus Salam, Syed Quamrul Huda, and Ashfaq Ahmad. “Changing Pattern of P and QRS Waves of Electrocardiogram Among the Different Grades of Hypertensive Patient of Bangladesh”. Journal of Current and Advance Medical Research 3, no. 2 (April 5, 2018): 33–38. Accessed November 21, 2024. https://banglajol.info/index.php/JCAMR/article/view/36161.