Nahar, K.; Joti, J. J.; Ullah, M. A.; Hasan, A.; Azad, M. A. K.; Hasnat, A. A Simple RP-HPLC Method for the Determination of Omeprazole in Human Serum and Urine: Validation and Application in Pharmacokinetic Study. Dhaka Univ. J. Pharm. Sci 2010, 8, 123-130.