Biodegradable microparticulate drug delivery system of diltiazem HCl
Braz. j. pharm. sci; 48 (4), 2012
The efficacy of a drug in a specific application requires the maintenance of appropriate drug blood level concentration during a prolonged period of time. Controlled release delivery is available for many routes of administration and offers many advantages (as microparticles and nanoparticles) over immed...