Observations on the course of allergic rhinitis and bronchial asthma in ragweed-sensitive subjects.
D031164:Ambrosia; D001249:Asthma / Q000502:physiology*; D006801:Humans; D065631:Rhinitis, Allergic; D006255:Rhinitis, Allergic, Seasonal / Q000502:physiology*
ASTHMA/physiology; HAY FEVER/physiology; RAGWEED