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Report of Canada
(Washington, D.C, US: Organización Panamericana de la Salud,, 1974)
Studies and strategies to reduce morbidity and mortality from enteric infections: report of the technical discussions
(Washington, D.C, US: Pan American Health Organization,, 1974)
Barbados
(Washington, D.C, US: Organización Panamericana de la Salud,, 1974)