Verbesserung der Gesundheits-Ernährungs-und Lebensbedingungen der Bevölkerung in 4 Gemeinden des Bezirks Laredo, Peru Improvement of the conditions of Health, Nutrition and enviroment of housing at 4 communities in the district of Laredo, Peru Verbesserung der Gesundheits-Ernährungs-und Lebensbedingungen der Bevölkerung in 4 Gemeinden des Bezirks Laredo, Peru Improvement of the conditions of Health, Nutrition and enviroment of housing at 4 communities in the district of Laredo, Peru Verbesserung der Gesundheits-Ernährungs-und Lebensbedingungen der Bevölkerung in 4 Gemeinden des Bezirks Laredo, Peru Improvement of the conditions of Health, Nutrition and enviroment of housing at 4 communities in the district of Laredo, Peru