title: Incidence of subsequent ragweed pollinosis in patients with perennial bronchial asthma and/or perennial allegic rhinitis. A study of 100 patient with negative skin test reactions to ragweed pollen at the time of starting specific injection therapy.
mesh_terms: D031164:Ambrosia; D052179:Antigens, Plant; D001249:Asthma; D006801:Humans; D015994:Incidence; D010936:Plant Extracts; D012220:Rhinitis; D006255:Rhinitis, Allergic, Seasonal; D012882:Skin Tests
chemical_list: D052179:Antigens, Plant; D010936:Plant Extracts; C433085:ragweed pollen
keywords: HAY FEVER