Leeuwen W. Storm van: On the biological significance of lipoids the action of kephalin and lecithin. In: Journal of Pharmacology and Experimental Therapeutics, (21) 2. pp. 85-98. (1923)
Leeuwen W. Storm van; Szent-Györgyi Albert: On scopolamine-morphine narcosis. In: Journal of Pharmacology and Experimental Therapeutics, (18) 6. pp. 449-454. (1921)