| diarrheal diseases of infancy in cali, colombia: study design and summary report on isolated disease agents. | for public health reasons, it is important that the etiologic agents of early childhood diarrhea be isolated and identified, and that their routes of transmission be defined. this is especially true in tropical and subtropical developing countries, where childhood patterns of exposure to diarrheal disease agents usually differ from those in developed countries, and where diarrheal illness is a frequent harbinger of death among children under five years of age. this artical describes a study desi ... | 1976 | 974303 |