Panwar, Mr. Mangal S. 2015. “Development and Characterization of Sustain Release Gastro Retentive Floating Microsphere of Diltiazem Hydrochloride for the Treatment of Hypertension”. Asian Journal of Pharmaceutics (AJP) 9 (2):107-12. https://doi.org/10.22377/ajp.v9i2.439.