[1]
Patel, K.A. et al. 2022. A Case Control Study of Vitamin D Levels in Chronic Obstructive Pulmonary Disease Patients and Healthy Volunteers in South Gujarat, India. National Journal of Medical Research. 12, 04 (Dec. 2022), 73–76. DOI:https://doi.org/10.55489/njmr.12042022931.