[1]
R. Yis and M. Sait Yildirim, “Changes in seroprevalence and acute infection rates after vaccination and herd immunity in a pediatric hospital in the Southeastern Anatolia region of Turkey: Effects of adding hepatitis a vaccine to the Extended National Immunization Progra”, annalsmedres, vol. 27, no. 3, pp. 0743–0748, May 2021.