00409nam a2200109Ia 4500008004100000245014000041260003500181260000900216300000900225650001300234856005200247170516s9999    xx            000 0 und d  aFormulation and Optimization of Expandable Gastroretentive Tablet of Diltiazem Hydrochloride using Factorial Design Anilkumar J. Shinde  bAsian Journal of Pharmaceutics  c2017  a11:1  xPharmacy  uhttp://www.asiapharmaceutics.info/index.php/ajp