(1)
Pant, P.; Thapa, S.; Das, S. K.; Bam, N. Serum Vitamin D Level in Chronic Obstructive Pulmonary Disease and Its Relation With Severity: A Single Centre Study. J Inst Med Nepal 2019, 41 (2), 56-58. https://doi.org/10.59779/jiomnepal.1045.