No abstract available
MeSH terms
-
Agriculture*
-
Asthma / epidemiology*
-
Asthma / immunology
-
Bacteria / isolation & purification*
-
Child
-
Dust / analysis
-
Environmental Exposure / analysis*
-
Fungi / isolation & purification*
-
Humans
-
Hypersensitivity / epidemiology
-
Hypersensitivity / immunology
-
Immune Tolerance
-
Risk Factors
-
T-Lymphocytes, Regulatory / immunology