Vitamin D is Equal to Placebo for Preventing Cognitive Decline in African-American ...
Jul 15, 2019 - Is vitamin D more effective than placebo in preventing cognitive decline in African American women older than 65 years who have low serum vitamin D levels at baseline?
American Family Physician : POEMs
https://www.aafp.org/afp/2019/0715/p118.html
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