Fig. 4.
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Fig. 4.
Forest plot comparing the testosterone level (ng/mL) between the selenium and placebo groups. SD, standard deviation; SMD, standardized mean difference; IV, interval variable; CI, confidence interval.
Prev Nutr Food Sci 2023;28:121~133
https://doi.org/10.3746/pnf.2023.28.2.121
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