Stirnadel-Farrant HA, Xu X, Kwiatek J, Jain P, Meyers J, Candrilli S, Mines D, Datto CJ. Characteristics, treatment patterns, health care resource utilization and costs in patients with bullous pemphigoid: a retrospective analysis of US health insurance claims data. JAAD Int. 2023 Jun 9;13:117-25. doi: 10.1016/j.jdin.2023.04.014
Raghunathan K, Layton JB, Ohnuma T, Shaw AD. Observational research using propensity scores. Adv Chronic Kidney Dis. 2016 Nov;23(6):367-72. doi: 10.1053/j.ackd.2016.11.010
Mangel AW, Wang J, Sherrill B, Gnanasakthy A, Ervin C, Fehnel SE. Urgency as an endpoint in irritable bowel syndrome. Gastroenterology Research. 2011 Feb 1;4(1):9-12.