Al-nima, A. M., M. Al-kotaji, O. Al-iraqi, and Z. H Ali. “PREPARATION AND EVALUATION OF ULTRASOUND TRANSMISSION GEL”. Asian Journal of Pharmaceutical and Clinical Research, vol. 12, no. 1, Jan. 2019, pp. 422-7, doi:10.22159/ajpcr.2019.v12i1.30150.