000 00256 a2200109 4500
005 20220708071900.0
022 _a0022 1317
245 _aJournal of general Virology
260 _aCambridge
_bCambridge University
_c1973
490 _vVol. 20
942 _2lcc
_cCR
999 _c35475
_d35475