Muhammad Amin Nasution, Hanifa Rifdah Aiman, Muhammad Andry, and Muhammad Fauzan Lubis, “Pharmaceutical Adulteration and Toxic Contaminants in Herbal Products: Global Bibliometric Trends and Forensic-Toxicological Implications”, Int J Med Toxicol Forensic Med, vol. 16, pp. 1–8, Aug. 2026.