@article{Chu2015,
author = {Chu, Anne H. Y. and Ng, Sheryl H. X. and Koh, David and Müller-Riemenschneider, Falk},
year = {2015},
language = {eng},
copyright = {http://creativecommons.org/licenses/by/4.0/},
title = {Reliability and Validity of the Self- and Interviewer-Administered Versions of
the Global Physical Activity Questionnaire (GPAQ)},
url = "http://dx.doi.org/10.17169/refubium-18250",
}