Hollis K, Proctor C, McBride D, Balp MM, McLeod L, Hunter S, Tian H, Khalil S, Maurer M. Comparison of Urticaria Activity Score over 7 days (UAS7) values obtained from once-daily and twice daily versions: results from the ASSURE-CSU study. Am J Clin Dermatol. 2018 Apr;19(2):267-74. doi: 10.1007/s40257-017-0331-8
Hollis KA, Mordin MM, Bechtel P, McLeod LD. Prospective observational studies: avoiding design pitfalls using process maps, decision-tree methods, and electronic medical records. Presented at the International Society for Pharmacoeconomics and Outcomes Research 15th Annual; May 2010.