Tualeka, A.R., Jalaludin, J., Salesman, F., Wahyu, A., Tukiran, T., Setiawan, S., Wibrata, D.A. and Hasyim, H.N. 2018. Risk Analysis Characterization of Benzene and Demographic Factors toward Immunoglobulin A. Open Access Macedonian Journal of Medical Sciences. 6, 12 (Dec. 2018), 2381–2385. DOI:https://doi.org/10.3889/oamjms.2018.488.