saadaty, nila uthari, Fihiruddin, Yunan Jiwintarum, Urip, and Fachrudi Hanafi. “Analysis Of Urine Nicotine In Electronic Cigarette Smokers and Regular Cigarette Smokers”. Journal of Indonesia Laboratory Students (JILTS) 4, no. 2 (December 10, 2025). Accessed July 27, 2026. http://jilts.poltekkes-mataram.id/index.php/home/article/view/411.