1. Ref. to British Patent Specification;Okamoto, S.,1957
2. A suppressing effect of E-amino-ncaproic acid on the bleeding of dogs, produced with the activation of plasmin in the circulatory blood;Okamoto, S.;Keio J Med,1959
3. Amino-methyl-cyclohexanecarboxylic acid: AMCHA. A new potent inhibitor of the fibrinolysis;Okamoto, S.; Okamoto, U.;Keio J Med,1962
4. The antifibrinolytically active isomer of AMCHA. Abstracts of the Xth International Congress of Haematology,Aug 30-Sept
5. Behaviour of tissue activators and the action of a series of potent inhibitors on fibrinolysis. Abstracts of the Xth International Congress of Haematology;Okamoto, S.,Aug 30-Sept