1. Intracellular Calcium: Its Universal Role as RegulatorIntracellular Calcium: Its Universal Role as Regulator;Campbell,1983
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3. Purification of cyclic adenosine monophosphate phosphodiesterase from human platelets using new inhibitor sepharose chromatography;Umekawa;Biochem. Pharmacol.,1984
4. Serum cyclic 3’,5’-nucleotide phosphodiesterase in patients with various thyroid disorders;Nagasaka;Enzyme,1985
5. Serum cyclic 3’,5’-nucleotide phosphodiesterase activity in mycocardial infarction;Nagasaka;Acta Cardiol. (Brüx.),1985