@article{doi:10.1001/archpsyc.56.4.330,
author = {Gadow KD and Sverd J and Sprafkin J and Nolan EE and Grossman S},
title = {LOng-term methylphenidate therapy in children with comorbid attention-deficit hyperactivity disorder and chronic multiple tic disorder},
journal = {Archives of General Psychiatry},
volume = {56},
number = {4},
pages = {330-336},
year = {1999},
doi = {10.1001/archpsyc.56.4.330},
URL = { + http://dx.doi.org/10.1001/archpsyc.56.4.330},
eprint = {/data/Journals/PSYCH/5085/yoa8178.pdf}
}