000 00294nam a2200133Ia 4500
008 160316s1982 xxu||||| |||| 00| 0 eng d
020 _a
100 _aR. J. Roberts
245 _aMicrobial Diseases
250 _a1st
260 _aLONDON
_bACADEMIC PREES
_c1982
300 _a305
700 _a
_a
999 _c35345
_d35345