Hossain, M. D., Choudhury, M. R. A., & Mojumder, M. M. A. (2009). A Comparative Study of Treatment of Chronic Backache Between Conventional Method and Trigger Point Injections (TPI). Journal of Armed Forces Medical College, Bangladesh, 5(1), 37–40. https://doi.org/10.3329/jafmc.v5i1.2850