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Asthma is suspected from a history of key symptoms, including cough, wheezing, dyspnea, chest tightness, and increased mucus production. A positive family or personal history of atopic diseases and(More)
  • Bruce Gordon
  • Otolaryngology--head and neck surgery : official…
  • 1992
Immunotherapy is defined as the controlled exposure to known allergens to reduce the severity of the allergic response. Although available since 1910, its exact mechanisms of action is not known but(More)