“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, vol. 8, no. 2, pp. 123–130, Sep. 2010, doi: 10.3329/dujps.v8i2.6026.