APA

Howson C. P., Rall D. P., Hern�andez-Avila M., Institute of Medicine (U.S.), Instituto Nacional de Salud P�ublica (Mexico) & ebrary I. (1996). Lead in the Americas. Washington, D.C: Committee to Reduce Lead Exposure in the Americas, Board on International Health, Institute of Medicine.

Chicago

Howson Christopher Paul, Rall David P, Hern�andez-Avila Mauricio, Institute of Medicine (U.S.), Instituto Nacional de Salud P�ublica (Mexico) and ebrary Inc. 1996. Lead in the Americas. Washington, D.C: Committee to Reduce Lead Exposure in the Americas, Board on International Health, Institute of Medicine.

Harvard

Howson C. P., Rall D. P., Hern�andez-Avila M., Institute of Medicine (U.S.), Instituto Nacional de Salud P�ublica (Mexico) and ebrary I. (1996). Lead in the Americas. Washington, D.C: Committee to Reduce Lead Exposure in the Americas, Board on International Health, Institute of Medicine.

MLA

Howson Christopher Paul, Rall David P, Hern�andez-Avila Mauricio, Institute of Medicine (U.S.), Instituto Nacional de Salud P�ublica (Mexico) and ebrary Inc. Lead in the Americas. Washington, D.C: Committee to Reduce Lead Exposure in the Americas, Board on International Health, Institute of Medicine. 1996.