Sedentary time among primary school children in south-west Germany: amounts and correlates.
Belinda HoffmannSarah KettnerTamara WirtOlivia WarthaLina HermelingJürgen M SteinackerSusanne Kobelnull nullPublished in: Archives of public health = Archives belges de sante publique (2017)
German Clinical Trials Register (DRKS), DRKS-ID: DRKS00000494 DATE: 25/08/2010.