Original Article
The prevalence and risk factors of fluoroquinolones and co-trimoxazole resistant Escherichia coli in the Northwest Iran: A retrospective cohort
Reyhaneh Ravanbakhsh 1 
, Mojtaba Varshochi 2,3 , Behrooz Naghili 2,3 , Alka Hasani 3,4 , Parinaz Poorshahverdi 2 , Ahad Bazmani 3 , Fatemeh Ravanbakhsh Ghavghani 2,3 *