6Renneberg J, Walder M, Postantibiotic effects of imipenem ,norfloxacin,and amikacin in vitro and in vivo. Antimicrob Agents Chemother,1989,33(10):l714.
7Winstanley T G,Hastings J O M, Penicillin-aminoglycoside synergy and post-antibiotic effect for enterococci. J Antimicrob Chemother, 1989,23 :189.
8Hanel G G,Horban D J ,Harding G K M. Postantibiotic effect: a review of in vitro and in vivo data. The Annals of Pharmacotherapy, 1991 ,25 :153.
