... followed by improved stove andclean fuel combinations and then by LPG (for coverage over50 percent). In Latin America and the Caribbean, kerosene hasthe most favorable CER, followed by kerosene ... (especially for asthma,which may reflect variations in definitions and condition by age), but supported by studies of outdoor air pollution, smoking, and laboratory animals.Tentative. Adverse pregnancy ... burning either wood or charcoal, are pop-ular. These wood-burning stoves can reduce kitchen pollution by up to 50 percent, but levels still remain high (Ezzati,Mbinda, and Kammen 2000). Charcoal...