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Original Research
Vitamin D deficiency is associated with the severity of COPD: a systematic review and meta-analysis
| Total article views | HTML views | PDF downloads | Totals | ||
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| 12,785 | Dovepress* | 8,770+ | 1,801 | 10,571 | |
| PubMed Central* | 4,015 | 1,048 | 5,063 | ||
| Totals | 12,785 | 2,849 | 15,634 | ||
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*Since 11 September 2015 +Since July 2016 |
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| Total mentioned | Delicious | Others | |||
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| 16 | 2 | 0 | 0 | 2 | 12 |
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