Ghorab D. M, Nour S. A, Elnawawy T. M, Swailem A.M,. 2014. “FLOATING TABLETS AS A CONTROLLED RELEASE STOMACH TARGETED DRUG DELIVERY SYSTEM OF DILTIAZEM HYDROCHLORIDE”. Journal of Pharmaceutical Research and Opinion 2 (11). http://innovativejournal.in/index.php/jpro/article/view/772.