@article{Halfon2012,
author = {Halfon, N. and Houtrow, A. and Larson, K. and Newacheck, P.W.},
title= {The changing landscape of disability in childhood},
year = {2012},
doi = {10.1353/foc.2012.0004},
volume = {22},
number = {1},
pages = {13--42},
}