Kabir, A., M. Rahman, M. Begum, T. Dipta, M. Baqui, A. Aziz, F. Rahman, R. Debnath, and M. Habib. “Response of Vincristine, Melphalan, Cyclophosphamide and Prednisolone in Refractory Multiple Myeloma”. Mymensingh Medical Journal, vol. 21, no. 1, Nov. 2012, pp. 114-9, https://banglajol.info/index.php/MMJ/article/view/12522.