Kandelouei, T. and Vaezjalali, M. 2017. Investigation of Relative Risk Factors of Hepatitis B Virus Core Antibody Positivity among Intravenous Drug Users in Tehran, 2013. Novelty in Biomedicine. 5, 2 (Apr. 2017), 65–70. DOI:https://doi.org/10.22037/nbm.v5i2.12347.