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Basic procedures for the reporting of communicable diseases
(Pan American Health Organization, 1954)
Health Conditions in the Americas 1961-1962
(Pan American Health Organization, 1964)
[From Introduction]: This report is less extensive than the previous Summaries of Four-Year Reports on Health Conditions in the Americas with respect to the health problems included. The largest chapters are concerned with ...
Casos notificados de enfermedades de declaracion obligatoria en las Americas, 1966
(Organización Panamericana de la Salud, 1969)