Aziz, Z. W. A., . B. K. . Al Hajjar, Z. A. A. Al Hajjar, . E. M. A. Almola, N. M. T. Jawher, and . R. K. M. Muhammad. “Diagnostic Accuracy of Hematoxylin-Eosin Staining in Comparison to Calretinin and S100 for the Assessment of Ganglion Cells in Rectal Biopsy”. Journal of the Pakistan Medical Association, vol. 72, no. 6, Jan. 2022, pp. 1123-7, doi:10.47391/JPMA.3368.