| http://www.w3.org/ns/prov#value | - Some Viagra users report blindness-PfizerWASHINGTON (Reuters) - U.S. health regulators said on Friday they have received more than 40 reports of a type of blindness in men taking impotence drugs, mostly involving Pfizer Inc.'s Viagra, but have not determined if the medicines were responsible.here is the rest of the article for those of us who can still see.
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