The complex relationship between smoking in pregnancy and very preterm delivery. Results of the Epipage study

Burguet A, Kaminski M, Abraham-Lerat L, Schaal JP, Cambonie G, Fresson J, Grandjean H, Truffert P, Marpeau L, Voyer M, Rozé JC, Treisser A, Larroque B, EPIPAGE Study Group. The complex relationship between smoking in pregnancy and very preterm delivery. Results of the Epipage study. BJOG. 2004; 111(3): 258-65.