Epidemiology and Infectious DiseasesEpidemiology and Infectious Diseases1560-95292411-3026Eco-Vector4051510.17816/EID40515L. A. Ryapis, N. I. Briko, A. S. Eshchina, N. F. Dmitrieva / Pod red. N. I. Briko. Streptokokki: obshchaya kharakteristika i metody laboratornoy diagnostiki. - M., Izd-vo MIA, 2009.BykovAnatoliy Sergeevich-15122010156616223072020Copyright © 2010, Eco-vector2010