NEWAZ, A. R.; ISLAM, M. S.; ALAM, M. S.; ALI, S. M. M.; SALAM, M. A.; HUDA, S. Q.; AHMAD, A. 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, [S. l.], v. 3, n. 2, p. 33–38, 2018. DOI: 10.3329/jcamr.v3i2.36161. Disponível em: https://www.banglajol.info/index.php/JCAMR/article/view/36161. Acesso em: 1 dec. 2022.