00464nam a2200121Ia 4500008004100000245015500041260003500196260000900231300000800240500001500248650001300263856006600276170516s9999 xx 000 0 und d aFormulation development and evaluation of controlled porosity osmotic pump delivery system for oral delivery of atenolol Garvendra S Rathore, RN Gupta bAsian Journal of Pharmaceutics c2012 a6:2 aApril-June xPharmacy uhttp://www.asiapharmaceutics.info/index.php/ajp/issue/view/28