Sjöström M., Yngve A., Ekelund U., Poortvliet E., Hurtig-Wennlöf A., Nilsson A., Hagströmer M., Nylund K. and Faskunger J. 2002. Physical activity in groups of Swedish adults. Are the recommendations feasible?. Food & Nutrition Research. (Sep. 2002), 123-130. DOI:https://doi.org/10.3402/fnr.v46i3.1449.