R. Al-Absi, W. Al-Dubai, J. Al-Ghazaly, R. S. Ali, and M. AL-Habori, “Association between Chewing Khat (Catha edulis) and Hematological Indices and Helicobacter pylori Infection and Blood Loss in the Gastrointestinal Tract of Yemeni Chewers”., jchm, vol. 18, no. 1, pp. 21–26, May 2024.