title: [THE INITIAL PERIOD OF HAY FEVER AND ITS SIGNIFICANCE].
mesh_terms: D000293:Adolescent; D000375:Aging; D002648:Child; D006801:Humans; D007223:Infant; D001523:Mental Disorders; D012141:Respiratory Tract Infections; D006255:Rhinitis, Allergic, Seasonal; D012723:Sex; D013223:Statistics as Topic; D013312:Stress, Physiological
keywords: ADOLESCENCE; AGING; CHILD; HAY FEVER; INFANT; RESPIRATORY TRACT INFECTIONS; SEX; STATISTICS; STRESS
vernacular_title: DIE ANFANGSPERIODE DES HEUSCHNUPFENS UND IHRE BEDEUTUNG.