Sharmin, A. ., M. . Jannat, S. . Sultana, and S. . Ferdousi. “Relationship of Heart Rate Variability With Serum Zinc and Magnesium in Female Rheumatoid Arthritis Patients”. Journal of Bangladesh Society of Physiologist, vol. 16, no. 2, Feb. 2022, pp. 111-7, doi:10.3329/jbsp.v16i2.57572.