Fares, M. Y.; Abdelrahman, M. M.; Abdel-Rahman, H. M.; Abdelwahab, N. S. Development and Validation of Different Spectrophotometric and Chromatographic Methods for Determination of Clotrimazole and Hydrocortisone in a Topical Cream. Eur. J. Chem. 2017, 8, 371-377.