Alizadeh, A. H. M., M. Ranjbar, M. Khosravi-Largani, and M. Nojomi. “Risk Factors of HBs Ag Positive in Blood Donors of Hamedan, Iran”. Social Determinants of Health, vol. 4, no. 1, Jan. 2018, pp. 44-49, doi:10.22037/sdh.v4i1.20852.