@article{Birnie2011,
author = {K. Birnie  and RC. Cooper and RM. Martin and D. Kuh and AA. Sayer},
title = {Childhood socioeconomic position and objectively measured physical capability levels in adulthood: A systematic review and meta-analysis.},
journal = {PLoS ONE},
year = {2011},
month = {Nov},
volume = {26},
number = {1},
url = {http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0015564},
}