Validity of a two-item physical activity questionnaire for assessing attainment of physical activity guidelines in youth
Crossref DOI link: https://doi.org/10.1186/s12889-015-2418-6
Published Online: 2015-10-23
Published Print: 2015-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Hardie Murphy, Michelle
Rowe, David A.
Belton, Sarahjane
Woods, Catherine B.
License valid from 2015-10-23