@article{Case2002,
author = {Case, A. and Lubotsky, D. and Paxson, P. (). .  : . doi:},
title= {Economic status and health in childhood: The origins of the gradient},
year = {2002},
doi = {10.1257/000282802762024520},
journal = {The American Economic Review},
volume = {92},
pages = {1308--1334},
}