Prashant Kumar  <br/><br/>
Microballoons :  A Promising approach for Gastroretentive Drug Delivery System and Their Advantages , Limiteations, Recent Advancement in Drug Delivsery systems Patents And Future Aspects 

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<br/><br/><label>Subjects--Facted Index Terms: </label><br/>microballoons<br/>gastrotetentive drug delivery systems<br/>preparation method<br/>advantages limitations <br/>recent advancement