VoicesLetter: Potent argumentBookmarkCommentsGo to commentsBookmark popoverRemoved from bookmarksClose popoverSir: Do not be too hard on Viagra; it may yet prove the salvation of the rhinoceros.HUGO MORRISSBarton Mills, SuffolkMore aboutEast AngliaEast Of EnglandSuffolkViagraJoin our commenting forumJoin thought-provoking conversations, follow other Independent readers and see their repliesComments
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