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Status of malaria programs in the Americas: XXXI report
(Washington D.C; Pan American Health Organization, 1983)
Estado actual de la situación en relación a la enfermedad de Chagas en las Américas
(Washington D.C; Pan American Health Organization, 1983)
Statistics on PASB/WHO staff
(Washington D.C; Pan American Health Organization, 1983)
Pan American Foot-and-Mouth Disease Center
(Washington D.C; Pan American Health Organization, 1983)