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BioPharmaceutical

Viagra's Phase IV Problems

Executive Summary

Shattering all previous barriers for impotence, sales of {Viagra} soared to nearly $100 million its first month out. Most industry analysts and drug company executives expect {Viagra} will be a blockbuster for many years to come, but there is a contrarian view. Contrarians argue that signs of problems are already beginning to emerge.
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This copy is for your personal, non-commercial use. For high-quality copies or electronic reprints for distribution to colleagues or customers, please call +44 (0) 20 3377 3183

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