[1]
Hamed M. El-Fatatry, Mokhtar M. Mabrouk, Sherin F. Hammad and Samah F. El-Malla 2015. Simultaneous determination of tapentadol HCl and paracetamol by ratio-spectra derivative spectrophotometry. World Journal of Pharmaceutical Sciences. 3, 7 (Jul. 2015), 1290–1297.