The ferric chloride spot test for the evaluation and standardization of emulsions of allergens.
D000485:Allergens; D055598:Chemical Phenomena; D002621:Chemistry; D002712:Chlorides; D004655:Emulsions; D005069:Evaluation Studies as Topic; D006801:Humans; D007501:Iron; D006255:Rhinitis, Allergic, Seasonal / Q000188:drug therapy
D000485:Allergens; D002712:Chlorides; D004655:Emulsions; D007501:Iron