thirty-four patients ( 17 with asthma and 17 with urticaria ) , whose case history suggested such intolerance , were challenged orally with increasing doses of seven compounds : acetylsalicylic acid , glafenine , sodium benzoate , sulfur dioxide , potassium sorbate , sodium glutamate , and tartrazine .
C0004096
asthma
C0004057
acetylsalicylic acid