TY - GEN AU - Abbasi,S AU - Imtiaz,A AU - Usman,J AU - Kaleem,F AU - Hassan,A TI - Evaluation of the current trend of nalidixic acid susceptibility in typhoidal Salmonellae; a marker of therapeutic failure for the fluoroquinolones SN - 2008-4447 PY - 2012///0823 N1 - Publication Type: Journal Article ER -