Al Remawia, Mayyas, 		Al-Akayleh, Faisal, 		Salem, Mutaz, 		Al Shami, Munther, AND 		Badwan, Adnan.
" Application of Excipient Made from Chitosan - Xanthan as a Single   Component for the Controlled Release of Ambroxol Tablet" <em>Journal of Excipients and Food Chemicals</em> [Online], Volume 4 Number 2 (27 June 2013)