 | Robert B. Wallace, Robert F. Woolson - 1992 - 400 páginas
This text provides a structured discussion, emphasizing principles and methods, of the public health and epidemiologic approach to the investigation of the health problems of ... | |
 | Lee M Gilmore, Mark Van Proyen - 2005 - 221 páginas
Stories of the counterculture event that brings together thousands each year for a weeklong spasm of self-expression in the Nevada desert. | |
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