1. The thromboplastic action of cephalin;McLean;Am. J. Physiol.,1916
2. Two new factors in blood coagulation—heparin and pro-antithrombin;Howell;Am. J. Physiol.,1918
3. Studies on heparin. I. The preparation of heparin;Charles;J. Biol. Chem.,1933
4. Studies on heparin. II. Heparin in various tissues;Charles;J. Biol. Chem.,1933
5. The chemistry of heparin;Jorpes;Biochem. J.,1935