TY - BOOK AU - Vasil'ev, K. G. AU - Glinskaja, E. V. AU - Kibitkina, E. N. TI - Epidemiological study of the efficacy of mass immunization against poliomyelitis with live vaccine in the Latvian SSR during 1959 T2 - IVth Scientific conference and International symposium on live vaccine against poliomyelitis. Moscow, 17-20 of May, 1960 VL - [37] PY - 1960///] CY - [M. KW - Полиомиэлит KW - Предохранительные прививки KW - nlr_sh1 KW - Ме3-765 KW - rubbk ER -