00305nam a2200121Ia 4500008004100000082001800041100001400059245003100073250000800104260004400112300001000156650001700166150201s1984    xx            000 0 und d  a617.6bC1984R  aROOS,P.W.  aCLINICAL ORAL MICROBIOLOGY  a1ST  bBLACKWELL SCIENCE PUB.aEDINBURGHc1984  a1-170  aMICROBIOLOGY