SEER doubles coverage by adding registries for four states.
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D002140:California; D002487:Centers for Disease Control and Prevention, U.S.; D005006:Ethnicity / Q000706:statistics & numerical data; D006801:Humans; D007629:Kentucky; D008145:Louisiana; D009515:New Jersey; D018426:SEER Program; D014481:United States / Q000453:epidemiology