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Unformatted text preview: cephalosporins, etc.) belong in a third classification, narrow and moderate spectrum because some members are only effective against Gram-positive organisms while other members can also kill certain Gram-negative bacteria. A fourth classification is termed broad spectrum . These drugs are effective against all prokaryotes with two exceptions: Mycobacteria (see below) and Pseudomonas . The fifth group includes those drugs that are effective against Mycobacteria . The following table details some examples of these antimicrobials....
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- Fall '10