Srichan, Ratchaporn, Rattiporn Kaypetch, and Rudee Surarit. “The effect of ocimum sanctum oil on human squamous cell carcinoma (HSC-4) in Vitro”. Mahidol Dental Journal 39, no. 2 (July 19, 2019): 71–74. accessed December 11, 2025. https://he02.tci-thaijo.org/index.php/mdentjournal/article/view/213817.