Validity and repeatability of a modified baecke questionnaire on physical activity.

Pols, MAPeeters, PHMBueno de Mesquita, HBOcke, MCal., et2025-03-132025-03-131995https://rivm.openrepository.com/handle/10029/636125Validity and repeatability of a modified baecke questionnaire on physical activity.ArticleInt J Epidemiol 1995; 24:381-72025-03-13