title: [A traditional farming environment--a prophylactic factor against allergies].
authors.forename: E
authors.initials: E
authors.lastname: von Mutius
mesh_terms: D000383:Agriculture; D001249:Asthma / Q000453:epidemiology / Q000517:prevention & control; D006801:Humans; D006967:Hypersensitivity / Q000453:epidemiology / Q000517:prevention & control*; D006255:Rhinitis, Allergic, Seasonal / Q000453:epidemiology / Q000517:prevention & control*; D012424:Rural Population