@article{doi:10.1001/archpediatrics.2011.716,
author = {Singh A and Uijtdewilligen L and Twisk JR and van Mechelen W and Chinapaw MM},
title = {Physical activity and performance at school: A systematic review of the literature including a methodological quality assessment},
journal = {Archives of Pediatrics & Adolescent Medicine},
volume = {166},
number = {1},
pages = {49-55},
year = {2012},
doi = {10.1001/archpediatrics.2011.716},
URL = { + http://dx.doi.org/10.1001/archpediatrics.2011.716},
eprint = {/data/Journals/PEDS/22560/pra110004_49_55.pdf}
}