Relationship between the Susceptibility of Salmonella.Typhi to Ciprofloxacin, Ofloxacin and their respective Susceptibility to Nalidixic Acid Journal title: The International Journal of Frontier Sciences Authors: Nabila Bashir, Ali Ahmad, Hashim Raza and Muhammad Imran Subject(s): Biological Sciences, Medicine, Dentistry and Oral Surgery, Nursing, Health and Wellness