CLINICAL AND IMMUNOLOGIC EVALUATION OF A PURIFIED FRACTION OF RAGWEED POLLEN (DELTA). A DOUBLE-BLIND STUDY.
D000293:Adolescent; D052179:Antigens, Plant; D035843:Biomedical Research; D002648:Child; D003888:Desensitization, Immunologic; D004311:Double-Blind Method; D006384:Hemagglutination; D006801:Humans; D010919:Placebos; D010936:Plant Extracts; D011058:Pollen; D006255:Rhinitis, Allergic, Seasonal; D012882:Skin Tests
D052179:Antigens, Plant; D010919:Placebos; D010936:Plant Extracts; C433085:ragweed pollen
ADOLESCENCE; CHILD; CLINICAL RESEARCH; DESENSITIZATION; HAY FEVER; HEMAGGLUTINATION; PLACEBOS; POLLEN; SKIN TESTS