Remawi, Mayyas Al, Faisal Al-Akayleh, Mutaz S. Salem, Munther Al Shami, and Adnan Badwan. 2016. “Application of an Excipient Made from Chitosan and Xanthan Gum as a Single Component for the Controlled Release of Ambroxol.” International Journal of Pharmaceutical Excipients 4 (2).