@unpublished{Attanasio2004,
author = {Orazio Attanasio and Luiz Carlos Gomez and Ana Gomez and Marcos Vera-Hernandez},
title = {Child health in rural Colombia: determinants and policy interventions},
year = {2004},
month = {May},
volume = {pp},
issn = {1742-0415},
url = {http://www.ifs.org.uk/edepo/wps/ewp0402.pdf},
}