NJBCS, Author. Factors Associated with 12-Month Psycho-Active Substance Use among Police Officers in Kano Metropolis, Kano, Nigeria. Nigerian Journal of Basic and Clinical Sciences, Nigeria, v. 19, n. 2, 2026. DOI: 10.65843/66map090. Disponível em: https://njbcs.ng/index.php/njbcs/article/view/1211. Acesso em: 2 may. 2026.