Analysis of questionnaire survey to determine worldwide trends in prescriptions of biologics for the treatment of unresponsive chronic urticaria oleh Christine J. Rubeiz, MD, Ricardo Asero, MD, Stephen Betschel, HBSc, MD, FRCP (C), Timothy Craig, DO, Anete Grumach, MD, PhD, Michihiro Hide, MD, PhD, David Lang, MD, Michael Levin, MD, PhD, Hilary Longhurst, MA, PhD, FRACP, FRCPath, Eli Magan, MD, Marcus Maurer, MD, Romi Saini, MD, Gordon Sussman, MD, Elias Toubi, MD, Dinh Nguyen Van, MD, PhD, Torsten Zuberier, MD, Jonathan A. Bernstein, MD