Dubey, M. A. “Investigation of Hydrogel Membranes Containing a Combination of Timolol Maleate and Brimonidine Tartrate for Ocular Delivery”.
Asian Journal of Pharmaceutics (AJP)
, vol. 8, no. 4, Oct. 2014, pp. 259-70, doi:10.22377/ajp.v8i4.452.