Kendrich, I. and Sinaga, B.Y.M. 2023. KNOWLEDGE, ATTITUDE, AND BEHAVIOR TOWARD SMOKING AMONG MEDICAL STUDENTS IN UNIVERSITAS SUMATERA UTARA. The Indonesian Journal of Public Health. 18, 1 (Mar. 2023), 1–10. DOI:https://doi.org/10.20473/ijph.v18i1.2023.1-10.