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Impact of mixed survey modes on physical activity and fruit/ vegetable consumption: a longitudinal study [journal article]
Source: Survey Research Methods, 3 (2009) 2. p.81-90
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Author(s): Nigg, Claudio R.; Motl, Robert W.; Wong, Kristin T.; Yoda, Lisa U.; McCurdy, Dana K.; Paxton, Raheem; Horwath, Caroline C.; Dishman, Rod K.
Source: Survey Research Methods, 3 (2009) 2. p.81-90