MURUGANANTHAM V, PRABAKARAN M, PASUPATHI C, PEELY LR, and POOJA B. “FORMULATION AND EVALUATION OF MICROEMULSION GEL FOR TRANSDERMAL DELIVERY OF TRAMADOL”. Asian Journal of Pharmaceutical and Clinical Research, vol. 12, no. 5, May 2019, pp. 251-9, doi:10.22159/ajpcr.2019.v12i5.32479.