AUTHOR=Khatun Sabera , Sutradhar Kumar B. TITLE=Water hyacinth: a possible alternative rate retarding natural polymer used in sustained release tablet design JOURNAL=Frontiers in Pharmacology VOLUME=5 YEAR=2014 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2014.00137 DOI=10.3389/fphar.2014.00137 ISSN=1663-9812