TY - BOOK AU - Chay,Kenneth Y. AU - Greenstone,Michael TI - The impact of air pollution on infant mortality : evidence from geographic variation in pollution shocks induced by a recession AV - HB1323 .I4 C429I PY - 1999/// CY - Cambridge, Mass. PB - National Bureau of Economic Research KW - INFANTS KW - UNITED STATES KW - MORTALITY KW - EFFECT OF AIR POLLUTION ON KW - AIR POLLUTION KW - ENVIRONMENTAL ASPECTS KW - MEDICAL GEOGRAPHY ER -