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Current Opinion on Therapeutic Patents Volume 3, 1993 - Issue 9
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Research Article

Patent Evaluation: Pyrazopyrimidinones as phosphodiesterase inhibitors

Pages 1400-1401 | Published online: 03 Mar 2008

REFERENCES

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  • DAVEY DD, ERHARDT PW, CANTOR EM, GREENBERG SS, INGERBRETSEN WR, WIGGINS J. Med. Chem. (1991) 34: 2671-1677.
  • MURRAY KJ, et at.: Biochem. Pharmacol. (1992) 44: 2303-2306.
  • MURRAY KJ, et at.: New Drugs for Asthma Therapy (1991) 27-46.
  • WEISHAAR RE, et at.: Hypertension (1990) 15: 528-540.
  • PFIZER LTD; PFIZER INC, EP-0526004-A

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