“Effects of Khat (Catha Edulis) Chewing on Seminal Fluid Parameters: Findings from a Fertility Clinic Cohort and Cessation Trial”. Archivio Italiano di Urologia e Andrologia 97, no. 3 (August 5, 2025). Accessed June 19, 2026. https://www.pagepressjournals.org/aiua/article/view/13931.