Shtepa O, Rezvykh V, Bredykhina M. Surveillance of Influenza A/California/H1N1 in Dnipropetrovsk, Ukraine. OJPHI [Internet]. 2017 May 2 [cited 2024 Apr. 19];9(1). Available from: https://ojphi.org/ojs/index.php/ojphi/article/view/7755