Odkazy
Guyton and Hall Textbook of Medical Physiology, 12. vyd. Saunders, 2011.
Vater M, Hessell D. Nitrous Oxide and Oxygen Mixture (Entonox®), and Acute Procedural Pain. Paediat Perinatal Drug Ther, 2000: 4(2): 35–44.
Webové stránky BOC, Medical Gases BOConline.co.uk