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  1. (Wilderness and Environmental Medicine)
  2. American Academy of Dermatology
  3. Hauser, Susan; A Field Guide to Poison Ivy, Oak and Sumac (Connecticut: Falcon Guides, The Globe Pequot Press, 2008).
  4. “Ambulatory Care Medical Utilization Estimates for 2007.” US Department of Health and Human Services (2011).
  5. Brian P. McCall, Irwin Horwitz, Steven Feldman, Rajesh Balkrishnan, “Incidence Rates, Costs, Severity, and Work-Related Factors of Occupational Dermatitis – A Workers’ Compensation Analysis of Oregon, 1990-1997,” Arch Dermatol., (2005).
lab testing jars