Open AccessComparison of Frequency of Undiagnosed Chronic Obstructive Pulmonary Disease in Current or Former Tobacco Smokers Having Ischaemic Heart Disease
Author(s) -
Talha Mahmud,
Syed Nazim Hussain Bokhari,
Muhammad Aasim
Publication year - 2022
Publication title -
indian journal of chest diseases and allied sciences
Language(s) - English
Resource type - Journals
ISSN - 0377-9343
DOI - 10.5005/ijcdas-54-2-111
Subject(s) - medicine , copd , spirometry , pulmonary disease , cigarette smoking , pack year , sputum , cross sectional study , disease , asthma , pathology , tuberculosis