PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23767198-14 2012 CONCLUSION: The results of the current in vitro study corroborate the efficacy of the beta lactamase inhibitor tazobactam in improving the spectrum of activity and efficacy of cefoperazone. Cefoperazone 176-188 beta-lactamase Klebsiella pneumoniae 86-100