Daily average exposures to respirable particulate matter from combustion of biomass fuels in rural households of southern India.
Kalpana Balakrishnan, Sambandam Sankar, Jyothi Parikh, Ramaswamy Padmavathi, Kailasam Srividya, Vidhya Venugopal, Swarna Prasad, and Vijay Laxmi Pandey
Environ Health Perspect. 2002 November; 110(11): 1069–1075. PMCID: PMC1241061