Trisha Greenhalgh|Elizabeth Kristjansson|Vivian Robinson
Realist review to understand the efficacy of school feeding programmes
University College London|Institute of Population and Public Health|University of Ottawa|Institute of Population and Public Health|University of Ottawa
recent cochrane review found school feeding programmes significantly improve growth cognitive performance disadvantaged children btrisha greenhalghbbelizabeth kristjansson bandb vivian robinsonb look closely highly heterogeneous trials see works circumstances