TY - BOOK AU - Čumakov, M. P. ED - Institute for poliomyelitis research TI - On mass oral immunization of population in the Soviet Union against poliomyelitis with live vaccine from A. B. Sabin's attenuated strains PY - 1960/// CY - М. KW - Полиомиэлит KW - Профилактические прививки KW - nlr_sh1 KW - Мд3-765 KW - rubbk ER -