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piperacillin sodium in Medicine

piperacillin sodium

(pī-pĕr′ə-sĭlĭn)
n.
  1. A semisynthetic broad-spectrum antibiotic related to penicillin and active against a variety of gram-positive and gram-negative bacteria.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.