Raju, D S S K, Anil Kumar Munta, and D Lakshmi Lalitha. 2021. “A Study on the Serum Arginase and Nitrate Levels in Association With Fev1/Fvc Ratio in Chronic Obstructive Pulmonary Disease”. International Journal of Health Sciences 6 (S9):4803-11. https://doi.org/10.53730/ijhs.v6nS9.14067.