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International comparison of observation-specific spatial buffers: maximizing the ability to estimate physical activity.
Frank LD, Fox EH, Ulmer JM, Chapman JE, Kershaw SE, Sallis JF, Conway TL, Cerin E, Cain KL, Adams MA, Smith GR, Hinckson E, Mavoa S, Christiansen LB, Hino AA, Lopes AA, Schipperijn J. Frank LD, et al. Among authors: sallis jf. Int J Health Geogr. 2017 Jan 23;16(1):4. doi: 10.1186/s12942-017-0077-9. Int J Health Geogr. 2017. PMID: 28114945 Free PMC article.
What do middle school children bring in their bag lunches?
Conway TL, Sallis JF, Pelletier RL, Powers HS, Marshall SJ, Zive MM, Elder JP. Conway TL, et al. Among authors: sallis jf. Prev Med. 2002 Apr;34(4):422-7. doi: 10.1006/pmed.2001.0987. Prev Med. 2002. PMID: 11914048
657 results