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...Cesifo economic studies vol doi ifs advance access publication april the limits of health and nutrition education evidence from three randomized controlled trials in rural china renfu luo yaojiang shiy linxiu zhang huiping zhangz grant miller alexis medinak scott rozellek center for chinese agricultural policy academy sciences beijing y e mail luorf ccap igsnrr ac cn lxzhang downloaded northwest socioeconomic development resource xibei university xian syj yahoo com zeconomic management school ningxia zhp sina stanford medicine national bureau research ca usa ngmiller edu k http oxfordjournals org freeman spogli institute amedina rozelle abstract this article whether or not programs targeting childhood anemia are sufficient changing behavior we conducted different single multiple face to ses sions with parents distributed written materials compare our results a simple vitamin distribution program across all find little changes blood hemoglobin concentration status contrast at libraries ...