title: Histologic studies of human skin test responses to ragweed, compound 48-80, and histamine.
mesh_terms: D000328:Adult; D001706:Biopsy; D004804:Eosinophils; D006632:Histamine / Q000494:pharmacology*; D006801:Humans; D006919:Hydroxyzine / Q000494:pharmacology; D008297:Male; D008407:Mast Cells; D011058:Pollen; D006255:Rhinitis, Allergic, Seasonal / Q000276:immunology; D012867:Skin / Q000166:cytology / Q000276:immunology*; D012882:Skin Tests; D003189:p-Methoxy-N-methylphenethylamine / Q000494:pharmacology*
chemical_list: D006919:Hydroxyzine; D003189:p-Methoxy-N-methylphenethylamine; D006632:Histamine