N. M. DAOOD, Z. E JASSIM, M. M GHAREEB, and H. ZEKI, “STUDYING THE EFFECT OF DIFFERENT GELLING AGENT ON THE PREPARATION AND CHARACTERIZATION OF METRONIDAZOLE AS TOPICAL EMULGEL”, Asian J Pharm Clin Res, vol. 12, no. 3, pp. 571–577, Mar. 2019.