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National immunisation days and vitamin A distribution in Mali: has the vitamin A status of pre-school children improved?
Schémann, JF, Banou, A, Malvy, D, Guindo, A, Traore, L, Momo, GVolume:
6
Language:
english
Journal:
Public Health Nutrition
DOI:
10.1079/PHN2002432
Date:
June, 2003
File:
PDF, 166 KB
english, 2003