%0 Letter %T Omalizumab for the Treatment of Refractory Acute Urticaria. %A Wang S %A Chen X %A Bai J %A Sun Q %A Qiao J %A Fang H %J Am J Ther %V 31 %N 4 %D 2024 Jul-Aug 1 %M 38976536 %F 3.098 %R 10.1097/MJT.0000000000001691