tabagisme (3) santé (3) Europe (3) Europe (3) Birth (3) Smoking (3) Pregnancy (3) Parturition (3) Labor (Obstetrics) (3) Infants (3) Health (3) Europe (3) Children (3) Childbirth (3) Birth weight (3) Birth (3) Pregnancy (3) Health (3) cohorte (3) naissance (3) Europe de l'Ouest (2) poids (2) recherche (2) projet (2) pièce d'exposition (2) Development (2) Variation (2) Children (2) Specifications (2) Specifications (2)