00662nam2 22002171i 450 990002308330403321000230833FED01000230833(Aleph)000230833FED0100023083320030801d--------km-y0itay50------baAntispirochetal activity of tetracyclines. Baltimore, 1970, v. 1, p. 394-396.001000221193Berti,Tito<1924- >72549ITUNINARICAUNIMARCBK990002308330403321FFABCAntispirochetal activity of tetracyclines. Baltimore, 1970, v. 1, p. 394-396389560UNINAING01