title: Changes of occupational class differences in physical functioning: a panel study among employees (2000-2007).
authors.affiliation: Hjelt Institute, Department of Public Health, PO Box 41, FIN-00014 University of Helsinki, Finland. olli.k.pietilainen@helsinki.fi
authors.forename: Olli
authors.initials: O
authors.lastname: Pietiläinen
authors.forename: Mikko
authors.initials: M
authors.lastname: Laaksonen
authors.forename: Janne
authors.initials: J
authors.lastname: Pitkäniemi
authors.forename: Ossi
authors.initials: O
authors.lastname: Rahkonen
authors.forename: Eero
authors.initials: E
authors.lastname: Lahelma