Do you have a "frequent flier" card at the ER? Maybe this article in The Register is about you... "Yanks floored by nail guns, computers and baseballs, Hospital emergency room shockers revealed online"
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the referred article, "Database: Injuries reported by emergency roomsThe Consumer Product Safety Commission's National Electronic Injury Surveillance System (NEISS) is a sample of 100 hospital emergency rooms in the United States and its territories."
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withheld from list to avoid endless taunting...)