Von Oettingen, W.F., Donahue, D.D., Lawton , A.H., Monaco, A.R., Yagoda, H., AND Valaer, P.J.: Toxicity and Potential Dangers of Penta-Erythritol-Tetranitrate (PETN). Public Health Bulletin No. 282. Washington; 1944.
2.
Austin, H.J. AND Drobkin, D.L.: Spectrophotometric Studies. III. Methemoglobin . J. Biol. Chem.112: 67, 1935-36.
