Meta-Regression Analyses, Meta-Analyses, and Trial Sequential Analyses of the Effects of Supplementation with Beta-Carotene, Vitamin A, and Vitamin E Singly or in Different Combinations on All-Cause Mortality: Do We Have Evidence for Lack of Harm?

Publication:

PLoS ONE

Pub Date:

September 2013

DOI:

10.1371/journal.pone.0074558

Bibcode:

2013PLoSO...874558B