TY - STAND AU - B. Verdel AU - P. Souverein AU - A. Egberts AU - H. Leufkens BT - Ann Pharmacother DO - 10.1345/aph.1G642 M1 - 6 PY - 2006 SP - 1040 EP - 6 T2 - Ann Pharmacother TI - Difference in risks of allergic reaction to sulfonamide drugs based on chemical structure VL - 40 SN - 1060-0280 (Print) 1060-0280 ER -