The suicide rate by drowning and the presence of oceans.
Lester
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Richard Stockton State College, Pomona, N.J.
D003430:Cross-Sectional Studies; D004332:Drowning / Q000453:epidemiology*; D006801:Humans; D009792:Oceans and Seas; D012931:Social Environment; D013405:Suicide / Q000453:epidemiology*; D014481:United States