Prevalence of Smoking among Health Workers and Effectiveness of Instructional Booklet concerning Risks of Smoking on Health Workers′ Knowledge in Baghdad Teaching Hospital. INJNS [Internet]. 2021 Jun. 27 [cited 2024 Apr. 27];34(1):38-49. Available from: https://injns.uobaghdad.edu.iq/index.php/INJNS/article/view/458