Cite
MLA Citation
Mohamed Ismail Seedahmed et al.. “Higher serum vitamin D levels are associated with decreased odds of obstructive lung disease in the general population: an NHANES analysis (2007–2008 to 2009–2010).” BMJ open respiratory research, vol. 7, no. 1, 2020, p. . http://access.bl.uk/ark:/81055/vdc_100127569961.0x000027