00301nam a2200121Ia 4500008004100000082002000041100001500061245002400076250000800100260004300108300001000151650001800161150201s1998    xx            000 0 und d  a617.6bI 1998 B  aPETER BALL  aINFECTIOUS DISEASES  a1ST  bCHURCHILL LIVINGSTONEaEDINBURGHc1998  a1-125  aORAL MEDICINE