Assessment of Cluster of Differentiation (CD56) Expression in Correlation with other Prognostic Markers in Multiple Myeloma patients. - Mohammed Alshamy, Mohammed Gamal; Arafa, Ayman Fathy; Abdelmoneem, Shimaa; AbdElmonem, Doaa M.; Ibrahim Hassan, Ahmed Mohamed; Abd el-hameed, Abdullah Mohammad (Zagazig University Medical Journal, 2025)