Cite
MLA Citation
Sebastian Baumeister et al.. “Physical activity surveillance in the European Union: reliability and validity of the European Health Interview Survey-Physical Activity Questionnaire (EHIS-PAQ).” International journal of behavioral nutrition and physical activity, vol. 13, no. 1, 2016, pp. 1–10. http://access.bl.uk/ark:/81055/vdc_100080458984.0x0000c6