Vyas, J. et al. 2013. DEVELOPMENT AND EVALUATION OF BILAYERED GASTRO-RETENTIVE TABLET CONTAINING METFORMINHCL SR AND PIOGLITAZONEHCL IR. Journal of Drug Delivery and Therapeutics. 3, 5 (Sep. 2013), 58–61. DOI:https://doi.org/10.22270/jddt.v3i5.620.