title: The relationship of plasma histamine to the activity of bronchial asthma.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001249:Asthma / Q000097:blood*; D005260:Female; D006632:Histamine / Q000097:blood*; D006801:Humans; D008297:Male; D008875:Middle Aged; D006255:Rhinitis, Allergic, Seasonal / Q000097:blood; D014680:Veins
chemical_list: D006632:Histamine