title: The early origins of asthma: nature, nurture, or parturition?
authors.forename: Jonathan E
authors.initials: JE
authors.lastname: Spahr
authors.forename: Marzena E
authors.initials: ME
authors.lastname: Krawiec
mesh_terms: D001249:Asthma / Q000209:etiology*; D002585:Cesarean Section; D002648:Child; D004781:Environmental Exposure / Q000009:adverse effects*; D005260:Female; D020022:Genetic Predisposition to Disease; D006801:Humans; D036801:Parturition; D011247:Pregnancy; D047928:Premature Birth; D012307:Risk Factors