Kovuru kalyani *, G. Vankateswarlu, Dr. P. Venkatesh Jagan’s College of Pharmacy, Jangala Kandriga (V), Muthukur (M), SPSR Nellore dist-524348. A B S T R A C T Controlled release drug delivery systems provide uniform concentration of drug to the absorption site and thus allow the maintenance of plasma concentration within the therapeutic range which minimizes not only the side ... Read More »