International Journal of Chronic Obstructive Pulmonary Disease
Volume 19, 2024 - Issue
ORIGINAL RESEARCH
Association of Severe Vitamin D Deficiency with Hospitalization in the Previous Year in Hospitalized Exacerbated COPD Patients
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Meishan Liu2 Department of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine and Beijing Chao-Yang Hospital, Capital Medical University, Beijing, People’s Republic of Chinahttps://orcid.org/0000-0003-3869-0572View further author information
https://orcid.org/0000-0003-3869-0572View further author information, Ying Wang2 Department of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine and Beijing Chao-Yang Hospital, Capital Medical University, Beijing, People’s Republic of Chinahttps://orcid.org/0000-0003-2147-7724View further author information
https://orcid.org/0000-0003-2147-7724View further author information, , , & show all