Key term: validity

Original article 1999;25(3):246-254   pdf
Evaluation of questionnaire-based information on previous physical work loads
Torgén M, Winkel J, Alfredsson L, Kilbom Å, Stockholm MUSIC 1 Study Group
Article 1999;25 suppl 1:8-9   pdf
Methods for obtaining valid data on time to pregnancy among men and women
Joffe M
Special section 1998;24(5):425-431   pdf
Validity and reliability of self-reported retrospectively collected data on sick leave related to musculoskeletal diseases
Fredriksson K, Toomingas A, Torgén M, Bildt Thorbjörnsson C, Kilbom Å
Original article 1997;23(5):370-377   pdf
Possible bias from rating behavior when subjects rate both exposure and outcome
Toomingas A, Alfredsson L, Kilbom Å
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