title: [Why is asthma increasingly more frequent? "I am sure, the vaccinations are to blame!"].
authors.forename: J
authors.initials: J
authors.lastname: Lecheler
mesh_terms: D001249:Asthma / Q000453:epidemiology* / Q000276:immunology; D002648:Child; D002675:Child, Preschool; D003430:Cross-Sectional Studies; D016207:Cytokines / Q000097:blood*; D004731:Endotoxins / Q000276:immunology; D005260:Female; D006801:Humans; D007108:Immune Tolerance / Q000276:immunology; D007223:Infant; D007231:Infant, Newborn; D011247:Pregnancy; D012307:Risk Factors; D018417:Th1 Cells / Q000276:immunology*; D018418:Th2 Cells / Q000276:immunology*; D014612:Vaccines / Q000009:adverse effects* / Q000276:immunology
chemical_list: D016207:Cytokines; D004731:Endotoxins; D014612:Vaccines