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Filters: Keyword is Tourism and Author is Ryan, P. Barry  [Clear All Filters]
2006
Girardot, Steven P., Barry P. Ryan, Susan M. Smith, Wayne T. Davis, Charles B. Hamilton, Richard A. Obenour, James R. Renfro, Kimberly A. Tromatore, and Gregory D. Reed. "Ozone and PM2.5 Exposure and Acute Pulmonary Health Effects: A Study of Hikers in the Great Smoky Mountains National Park." Environmental Health Perspectives 114, no. 7 (2006): 1044-1052.
2004
Girardot, Steven P., Kimberly A. Tromatore, Yun F. Lam, Ryan W. Malone, Cynthia A. Atterholt, Wayne T. Davis, Charles B. Hamilton, James R. Renfro, Barry P. Ryan, Susan M. Smith et al. "Preliminary Findings From the Great Smoky Mountains National Park Air Quality and Hiker Health Study." Epidemiology 15, no. 4 (2004): S216.