Validity of a two-item physical activity questionnaire for assessing attainment of physical activity guidelines in youth
Hardie Murphy, Michelle, Rowe, David A., Belton, Sarahjane, Woods, Catherine B.Volume:
15
Language:
english
Journal:
BMC Public Health
DOI:
10.1186/s12889-015-2418-6
Date:
December, 2015
File:
PDF, 407 KB
english, 2015