[A study on childhood pollinosis (2nd report)--an epidemiological examination of pollinosis among junior high school students in Matsukawa town, Nagano Prefecture].
D000293:Adolescent; D003233:Conjunctivitis, Allergic / Q000453:epidemiology; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D006255:Rhinitis, Allergic, Seasonal / Q000453:epidemiology*