قالب:معرفات كيميائية قراءات إضافية Rieger, M M (1997). "The Skin Irritation Potential of Quaternaries" (PDF). Soc. Cosmet. Chem.48: 307–317.Archived from the original (PDF) on .; Thorup I: Evaluation of health hazards by exposure to Quaternary ammonium compounds, The Institute of Food Safety and Toxicology, Danish Veterinary and Food Administration ...