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3 results
  1. pdfNLM Technical Bulletin, no.117-128 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/117-128-1979.pdf
    ... PERENNIAL C9 603 799 631 C20543 480680 791 RHINITIS, ALLERGIC, PERENNIAL C9 603 799 631 C20 543 480 680 791 Inflammation of the mucous membrane of the nose similar to that found in hay fever except that symptoms persist throughout the year The causes are usually ...
  2. Hay Fever: The Nuisance of a New Season – Circulating Now from the NLM Historical Collections 
    https://circulatingnow.nlm.nih.gov/...r-the-nuisance-of-a-new-season
    ... Around one quarter of U.S. adults suffers from hay fever , or seasonal allergic rhinitis. In spring and fall, pollen from trees, grasses, and weeds induces an immune response in us, causing us to experience cold-like symptoms. Though allergies are more prevalent today than in ...
  3. pdfNLM Technical Bulletin, no.93-104 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/93-104-1977.pdf
    ... C20 - Respiratory allergies: RESPIRATORY HYPERSENSIT1VITY ASTHMA ALVEOLITIS, EXTRINSIC ALLERGIC BIRD FANCIER'S LUNG FARMER'S LUNG HAY FEVER C21 - Occupational diseases, poisoning and injuries affecting respiration: ...