title: [Natural childbirth: do maternal microbes prevent asthma?].
mesh_terms: D000293:Adolescent; D001249:Asthma / Q000453:epidemiology / Q000382:microbiology / Q000451:nursing* / Q000517:prevention & control*; D002585:Cesarean Section; D002648:Child; D002675:Child, Preschool; D003430:Cross-Sectional Studies; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009321:Natural Childbirth / Q000451:nursing*; D011247:Pregnancy; D014621:Vagina / Q000382:microbiology