000 00273 a2200121 4500
008 151002tSep.-Dec. 1990
245 _aVirology & AIDS Abstracts
250 _aVol. 23
260 _aU.S.A.
260 _bCambridge Scientific Abstracts
260 _cSep.-Dec. 1990
942 _cBV
999 _c4067
_d4067