Publications by authors named "Paul Doerfling"

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Reliability and validity of an internet-based questionnaire measuring lifetime physical activity.
Mary A De Vera, Charles Ratzlaff, Paul Doerfling, Jacek Kopec

Am J Epidemiol· November 2010

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Lifetime trajectory of physical activity according to energy expenditure and joint force.
Charles R Ratzlaff, Paul Doerfling, Gavin Steininger, Mieke Koehoorn, Jolanda Cibere

Arthritis Care Res (Hoboken)· October 2010

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The effect of cash lottery on response rates to an online health survey among members of the Canadian Association of Retired Persons: a randomized experiment.
Paul Doerfling, Jacek A Kopec, Matthew H Liang, John M Esdaile

Can J Public Health· September 2010

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Effects of a dual task on the N100-P200 complex and the early and late Nd attention waveforms.
Anthony Singhal, Paul Doerfling, Barry Fowler

Psychophysiology· March 2002

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