Association Between Chewing Khat (Catha Edulis) and Hematological Indices and Helicobacter Pylori Infection and Blood Loss in the Gastrointestinal Tract of Yemeni Chewers. SUJMHS 2024, 18 (1), 21-26. https://doi.org/10.59628/jchm.v18i1.924.