Hay fever--consideration and possible dangers in the large scale desensitisation of secondary school children.
D000293:Adolescent; D001249:Asthma / Q000209:etiology; D002648:Child; D003888:Desensitization, Immunologic / Q000009:adverse effects*; D004342:Drug Hypersensitivity / Q000150:complications; D004739:England; D006801:Humans; D006255:Rhinitis, Allergic, Seasonal / Q000276:immunology*; D012572:School Health Services; D014581:Urticaria / Q000209:etiology