[\'Department of Dermatology and Venereology, Faculty of Medicine, Bezmialem Vakif University, Istanbul, Turkey.\', \'Department of Bioistatistics, Faculty of Medicine, Bezmialem Vakif University, Istanbul, Turkey.\']
Retention and survival rate of etanercept in psoriasis over 15 years and patient outcomes during the COVID-19 pandemic: The real-world experience of a single center.