A combination of handheld spirometer device and questionnaire- A potential screening tool for early diagnosis of chronic obstructive pulmonary disease
Authors : Veakata Rajiv Terli, Narendra Kumar Narahari, Deepika Shree Balaram, Bhaskar Kakarla, G K Paramjyoth
DOI : 10.18231/2581-4222.2019.0012