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Q37212032-0C884130-D01A-4010-AEC9-DA12921E5D60
Q37212032-0C884130-D01A-4010-AEC9-DA12921E5D60
BestRank
Statement
http://www.wikidata.org/entity/statement/Q37212032-0C884130-D01A-4010-AEC9-DA12921E5D60
The effect of vitamin D on COPD exacerbation: a double blind randomized placebo-controlled parallel clinical trial.
P2860
Q37212032-0C884130-D01A-4010-AEC9-DA12921E5D60
BestRank
Statement
http://www.wikidata.org/entity/statement/Q37212032-0C884130-D01A-4010-AEC9-DA12921E5D60
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ad0511380006a684fbbed8b68d11b404a2dc5300
P2860
Vitamin D levels and risk of acute exacerbations of chronic obstructive pulmonary disease: a prospective cohort study.