الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
Antibiotics resistance becoming a global problem for public health which threatens the lives of hospitalized individuals as well as health care cost and long-time treatment. The uncontrolled use of antibiotics such as fluoroquinolones share significantly to their resistance among K.pneumoniae isolates with produce biofilm represents an important factors for resistance. Therefore it is important issue to be addressed by policy makers to formulate a strict antibiotics prescription policy for bacterial infections in our country. Contrary to the synthetic drugs, antimicrobial of plant extracts are not associated with many side effects and have a great therapeutic potential to treatment of infectious caused by resistant microbes. Scientists have realized an immense potential in natural products from medicinal herbal plants to serve as alternative source of combating infections in human being which may also be of lower cost and less toxicity. However, further studies are needed to better evaluate the potential effectiveness of the crude extracts as the antimicrobial agents. The main objective of this study is to find antibacterial activity of some medicinal plant extracts against resistant planktonic and biofilm forming K.pneumoniae isolates from patients admitted in Mansoura University Hospitals.