D. N. . Ahmad MD, S. B. Toufeeq, D. H. . Rehman, D. M. Talha, Dr. Muhammad Shahid, and Dr. Hassam Suleman, “Aprepitant Use in Pediatric Cyclical Vomiting Syndrome: A Systematic Review”, PJG, vol. 42, no. 1, pp. 883–889, May 2026, doi: 10.63521/pjg.42.1.2026.73.