Ullah, M. R., Kashif, M., Nadeem, A., Tahir, R., Rizwan, Z., Rizwan, N. un N., & Afzal, N. (2018). Backache could be an indication of multiple myeloma: An unusual case report. Bangladesh Journal of Medical Science, 17(2), 311–315. https://doi.org/10.3329/bjms.v17i2.35892