Kalam, M.A., Sultana, Y., Ali, A., Aqil, M., Sharma, M., Mishra, A.K., Chuttani, K. 2008. Scintigraphic Assessment of the In situ Gelling Formulation of Gatifloxacin for Monitoring Ocular Residence: Enhancement of Ocular Residence Time. ACTA Pharmaceutica Sciencia, 50: 111-117. doi: