Bonjour S, Adair-Rohani H, Wolf J, Bruce NG, Mehta S, Pruss-Ustun A, Lahiff M, Rehfuess EA, Mishra V, and Smith KR. Solid Fuel Use for Household Cooking: Country and Regional Estimates for 1980-2010. Environ Health Perspect 121:784-790 (2013). http://dx.doi.org/10.1289/ehp.1205987. → Download PDF. → Download Supplemental Information.