00261nam a2200109Ia 450000500170000008000190001724500380003626000290007430000090010350000200011258300190013220260716043739.0  a15.04.01 P1879  aHealth conditions in the Americas  bPAHOaWashingtonUSc1990  a2 v.  aContents: v. 1.  c10/26/06kJOYD