(1)
Belal, F.; Omar, M. A.; Derayea, S.; Zayed, S.; Hammad, M. A.; Saleh, S. F. Simultaneous Determination of Paracetamol, Caffeine and Codeine in Tablets and Human Plasma by Micellar Liquid Chromatography. Eur. J. Chem. 2015, 6, 468-474.