00571nam a2200157Ia 450000500170000000800410001703500090005804100080006708200100007510000370008524500970012226000430021930000130026250500880027565000500036320260808125309.0260808s9999||||xx |||||||||||||| ||und||  a1252  aENG  a577.1  aSociety for Experimental Biology 0aSymposia of the society for experimental biology (No-03)bselective toxicity and antibiotics  aBaltimorebUniversity Park Pressc1949  avi + 372  aExperimental biology, Symposium, Biological sciences, Research proceedings, Biology  aBiologybBiochemistry -- Biological chemistry