Lisik, Anna, et al. “Effect of Standard and Reversible Arrangements of Ph.Eur. USP Extraction Cells During Dissolution Tests of Calcium Dobesilate in Hydrogel Formulation”. Current Issues in Pharmacy and Medical Sciences, vol. 28, no. 2, July 2015, pp. 136-42, https://doi.org/10.1515/cipms-2015-0060.