The efficacy of vitamin D therapy for patients with COPD: a meta-analysis of randomized controlled trials
@article{APM37487, author = {Xiaoyan Li and Jie He and Mi Yu and Jian Sun}, title = {The efficacy of vitamin D therapy for patients with COPD: a meta-analysis of randomized controlled trials}, journal = {Annals of Palliative Medicine}, volume = {9}, number = {2}, year = {2020}, keywords = {}, abstract = {}, issn = {2224-5839}, url = {https://apm.amegroups.org/article/view/37487} }