IMPACT OF E-CIGARETTE USAGE ON COGNITIVE  PERFORMANCE LEVEL AMONG UNIVERSITY STUDENTS IN MALAYSIA: A CASE-CONTROL STUDY. SEATROPH [Internet]. 2023 Sep. 22 [cited 2026 May 6];54(5):225-43. Available from: https://journal.seameotropmednetwork.org/index.php/jtropmed/article/view/855