Publications by authors named "Shams Ul Arifin Qasmi"
Objective: To determine the frequency of use of various psychoactive drugs among medical students in an urban setting, and to assess the risk category and intervention needs.
Methods: The descriptive cross-sectional study was conducted from January to June 2018 at four medical education institutions of Karachi; 2 each randomly selected from registered public and private sectors. From the clinical classes of each institution, fourth year was randomly chosen by lottery method.