title: Are there common triggers of preterm deliveries?
authors.forename: Nick
authors.initials: N
authors.lastname: Johnson
mesh_terms: D003075:Coitus; D005260:Female; D006801:Humans; D007752:Obstetric Labor, Premature / Q000209:etiology*; D016017:Odds Ratio; D011247:Pregnancy; D012307:Risk Factors