Earle, Radha, Vanthala Bharathi, Ayalasomayajula Usha, and Andhavarapu Venkata Srinivasa Bhavani. “Cross-Linked Chitosan Based Stomach Specific Mucoadhesive Microspheres Loaded With Amoxicillin: Preparation and Ex Vivo Characterization”. International Journal of Pharmaceutical Investigation 10, no. 1 (March 12, 2020): 59-63. Accessed July 16, 2020. http://jpionline.org/index.php/ijpi/article/view/392.