1. Garg A, Kirby JS, Midura M, Papagermanos V, Strunk A. Prevalence estimates for hidradenitis suppurativa in the United States: a gender- and age-adjusted population analysis. JAMA Dermatol. In press.
2. Explorys Inc, Cleveland, Ohio. Available at: https://www.explorys.com. Accessed October 31, 2016.
3. U.S. National Library of Medicine Unified Medical Language System (UMLS): Systematized Nomenclature of Medicine—ClinicalsTerms (SNOMED CT). Available from: http://www.nlm.nih.gov/research/umls/Snomed/snomed_main.html. Accessed October 10, 2016.
4. Normalized names for clinical drugs: RxNorm at 6 years;Nelson;J Am Med Inform Assoc,2011
5. LOINC, a universal standard for identifying laboratory observations: a 5-year update;McDonald;Clin Chem,2003