title: Preterm birth and exposure to air pollutants during pregnancy.
authors.affiliation: Carlos III Health Institute, Madrid, Spain. llop_sab@gva.es
authors.forename: Sabrina
authors.initials: S
authors.lastname: Llop
authors.forename: Ferran
authors.initials: F
authors.lastname: Ballester
authors.forename: Marisa
authors.initials: M
authors.lastname: Estarlich
authors.forename: Ana
authors.initials: A
authors.lastname: Esplugues
authors.forename: Marisa
authors.initials: M
authors.lastname: Rebagliato
authors.forename: Carmen
authors.initials: C
authors.lastname: Iñiguez