Zhang, J.-X. et al. 2015. Simultaneous Quantitative Determination of Nonoxynol-9, Acrylamide, Sorbic Acid and Sodium Cyclamate in Toothpaste by HPLC-MS/MS. Asian Journal of Chemistry. 27, 4 (Feb. 2015), 1194–1198. DOI:https://doi.org/10.14233/ajchem.2015.17151.