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5 “... pooled using a random effects model....”

6 “... studies; pooled RR, 0.98 [95% CI, 0.82 to 1.16]). Neither vitamin D dosage nor baseline level of 25(OH)D...”

7 “... pooled using a random effects model....”

8 “... studies; pooled RR, 0.98 [95% CI, 0.82 to 1.16]). Neither vitamin D dosage nor baseline level of 25(OH)D...”

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20 “... heterogeneity in pooled analyses, and little evidence on drug-related health, social, or legal outcomes; most...”