The investigation direction of case-control studies is from exposure to outcome, prospectively.
The investigation direction of case-control studies is from exposure to outcome, prospectively.
We prospectively examined the relationship betweenpurported dietary risk factors and new cases _____ gout among 47,150 men whohad no history of gout _____ base line.
We prospectively examined the relationship betweenpurported dietary risk factors and new cases _____ gout among 47,150 men whohad no history of gout _____ base line.
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