Impact of vitamin D on spirometry findings and quality of life in patients with chronic obstructive pulmonary disease: a randomized, double-blinded, placebo-controlled clinical trial
2019 ◽
Vol Volume 14
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pp. 1495-1501
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2014 ◽
Vol 29
(2)
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pp. 238-245
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2002 ◽
Vol 166
(5)
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pp. 680-685
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2021 ◽
pp. 528-532
2021 ◽
Vol 11
(2)
◽
pp. 1681-1687
2018 ◽
Vol Volume 13
◽
pp. 2663-2671
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