Chronic obstructive pulmonary disease in non-smokers Duncan G Fullerton, Stephen B Gordon, Peter M Calverley The Lancet Volume 374, Issue 9706, Pages 1964-1965 (December 2009) DOI: 10.1016/S0140-6736(09)62116-4 Copyright © 2009 Elsevier Ltd Terms and Conditions
Figure Rural home in Chikwawa, southern Malawi Typical house construction: grass thatched roof, small space for windows, smoke marks clearly visible from cooking that takes place on the verandah or indoors. The Lancet 2009 374, 1964-1965DOI: (10.1016/S0140-6736(09)62116-4) Copyright © 2009 Elsevier Ltd Terms and Conditions