Chronic obstructive pulmonary disease as a risk factor in primary care: a Canadian retrospective cohort study

npj Primary Care Respiratory Medicine, Published online: 24 June 2021; doi:10.1038/s41533-021-00249-5Chronic obstructive pulmonary disease as a risk factor in primary care: a Canadian retrospective cohort study
Source: npj Primary Care Respiratory Medicine - Category: Primary Care Authors: Source Type: research