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Ulf Ekelund,
Hanna Sepp,
Sören Brage,
Wulf Becker,
Rupert Jakes,
Mark Hennings
and Nicholas J Wareham
(2006).
Criterion-related validity of the last 7-day, short form of the International Physical Activity Questionnaire in Swedish adults. Public Health Nutrition,
9
,
pp 258-265
doi:10.1079/PHN2005840