Valentin Fuster y el dinero...de Pfizer.

For decades, drug companies kept the names of their speakers -- and how much they paid them -- secret. But over the past two years, companies have begun posting this information on their web sites, some as the result of legal settlements with the federal government.

ProPublica took these disclosures and assembled them into a single, comprehensive database that allows patients to search for their physician.(Ver)

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