Colourants and drug reactions.
Bell
T
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D004396:Coloring Agents / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009288:Naproxen / Q000008:administration & dosage*; D014581:Urticaria / Q000139:chemically induced*
D004396:Coloring Agents; D009288:Naproxen