Effects of statewide health promotion in primary schools on children's sick days, visits to a physician and parental absence from work: a cluster-randomized trial.
Dorothea KesztyüsRomy LauerMeike TraubTibor KesztyüsJürgen Michael SteinackerPublished in: BMC public health (2016)
The study was registered on the German Clinical Trials Register (DRKS), Freiburg University, Germany, under the DRKS-ID: DRKS00000494 . Registered: 25 August 2010.