M., A.; CHANDAN, R. S.; TENGLI, A. K.; K., V. S. VALIDATION OF STABILITY INDICATING ULTRA-FAST LIQUID CHROMATOGRAPHY METHOD FOR SIMULTANEOUS ESTIMATION OF ATENOLOL and NIFEDIPINE IN BOTH BULK AND PHARMACEUTICAL DOSAGE FORMS. International Journal of Current Pharmaceutical Research, v. 10, n. 3, p. 27-32, 15 May 2018.