The diffusion of health knowledge through social networks: An impact evaluation of health knowledge asymmetries on child health - Dillon, Andrew; Olney, Deanna K.; Ruel, Marie T.; Nielsen, Jennifer; Ouédraogo, Marcellin; Pedehombga, Abdoulaye; Rouamba, Hippolyte; Vebamba, Olivier; Yago-Wienne, Fanny (International Initiative for Impact Evaluation, 2013)