TY - BOOK AU - Libov, A.L. TI - Modern data on combating poliomylitis: edited by A.L. Libov U1 - 616.988 PY - 0000///n.d CY - U.S.S.R. PB - The Redcross and Red Crescent KW - Medicine KW - Central nervous system-diseases KW - Spinal cond-diseases ER -