Magrey M, Yi E, Wolin D, Price M, Chirila C, Davenport E, Park Y. Understanding barriers in the pathway to diagnosis of ankylosing spondylitis: results from a US survey of 1690 physicians from 10 specialties. ACR Open Rheumatol. 2020 Oct;2(10):616-26. doi: 10.1002/acr2.11179
DiBenedetti DB, Nguyen D, Zografos L, Ziemiecki R, Zhou X. A population-based study of Peyronie's disease: prevalence and treatment patterns in the United States. Adv Urol. 2011 Jun 27;2011(Article ID 282503).