00652nam2 22002171i 450 990002317280403321000231728FED01000231728(Aleph)000231728FED0100023172820030801d--------km-y0itay50------baAspects of the problem of drug resistancein bacteria. London, 1957, p. 4-24.001000221609Dean,A.C.R.351477ITUNINARICAUNIMARCBK990002317280403321FFABCAspects of the problem of drug resistancein bacteria. London, 1957, p. 4-24389392UNINAING01