TY - JOUR T1 - Gastroretentive drug delivery system: A Review JF - International Journal of Pharmaceutical Research and Allied Sciences JO - Int J Pharm Res Allied Sci SN - 2277-3657 Y1 - 2012 VL - 1 IS - 1 SP - 1 EP - 13 UR - https://ijpras.com/article/gastroretentive-drug-delivery-system-a-review ER -