Self-reported physician-diagnosed chronic obstructive pulmonary disease and spirometry patterns in Vietnam Era US Army Chemical Corps veterans: A retrospective cohort study
2018 ◽
Vol 61
(10)
◽
pp. 802-814
◽
2015 ◽
pp. 2127
◽
2020 ◽
Vol Volume 15
◽
pp. 2573-2581