The banning of dangerous firearms in the United States.
Juan
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D000293:Adolescent; D000328:Adult; D001291:Attitude of Health Personnel; D005389:Firearms / Q000331:legislation & jurisprudence*; D006708:Homicide / Q000706:statistics & numerical data; D006801:Humans; D008297:Male; D010372:Pediatrics; D012955:Societies, Medical; D014481:United States