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| Micronutrients | Study groups | |||
|---|---|---|---|---|
|
| ||||
| Multivitamin (n=219) | Selenium (n=220) | Multivitamin + selenium (n=220) | Placebo (n=219) | |
| Thiamin: 20 mg | X | X | ||
| Ribofavin: 20 mg | X | X | ||
| Niacin: 100 mg | X | X | ||
| Vitamin B6: 25 mg | X | X | ||
| Vitamin B12: 50 μg | X | X | ||
| Folic acid: 800 μg | X | X | ||
| Vitamin C: 500 mg | X | X | ||
| Vitamin E: 30 mg | X | X | ||
| Selenium methionine: 200 μg | X | X | ||
