@article{Kohen2007,
author = {Kohen, D.E. and Brehaut, J.C. and Garner, R.E. and Miller, A.R. and Lach, L.M. and Klassen, A.F. and Rosenbaum, P.L.},
title= {Conceptualizing childhood health problems using survey data: A comparison of key indicators},
year = {2007},
doi = {10.1186/1471-2431-7-40},
journal = {BMC Pediatrics },
volume = {7},
number = {40},
}