Krishnamurthy, Soundariya, Yuvarajan Sivagnaname, and Gokul Chandu Gumallapu. “Identification of Subclinical Cognitive Impairment in Chronic Obstructive Pulmonary Disease Using Auditory P300 Event Related Potential”. Monaldi Archives for Chest Disease 89, no. 2 (May 24, 2019). Accessed April 19, 2024. https://www.monaldi-archives.org/macd/article/view/1039.