Cite
MLA Citation
Matthew Sperrin et al.. “Chronic obstructive pulmonary disease exacerbation episodes derived from electronic health record data validated using clinical trial data.” Pharmacoepidemiology and drug safety, vol. 28, no. 10, 2019, pp. 1369–1376. http://access.bl.uk/ark:/81055/vdc_100093258165.0x000037