1. HOWELL, W.H., Note on the effect of repeated intravascular injections of heparin, BULLETIN OF THE JOHNS HOPKINS HOSPITAL 46: 365 (1930).
2. JAQUES, L.B., The effect of intravenous injections of heparin in the dog, AMERICAN JOURNAL OF PHYSIOLOGY 125: 98 (1939).
3. JORPES, E, On heparin, its chemical nature and properties, ACTA MEDICA SCANDINAVICA 88: 427 (1936).
4. JORPES, E, Heparin: A mucoitin polysulfuric acid, JOURNAL OF BIOLOGICAL CHEMISTRY 118: 447 (1937).
5. Jorpes, E., Acta Medica Scandinavica 89: 139 (1938).