R. S. Rizvi, S. M. Ali, N. Raza, S. Dawood, and S. Parveen, “Prevalence of Vitamin D Deficiency in Newly Diagnosed Multiple Myeloma Patients: Vitamin D in Myeloma Patients”, PJHS-Lahore, vol. 6, no. 5, pp. 60–64, May 2025.