Ahmadi, M. H., F. Maroufi, H. Kelki, N. Zolghadri, F. Moradi, A. Maali, and M. Azad. “The Incidence of ABO, Kell and Rh System Blood Groups in General Population of Qazvin, Iran”. Archives of Advances in Biosciences, vol. 9, no. 4, Jan. 2019, pp. 42-46, doi:10.22037/jps.v9i4.23294.