(2003). Interpregnancy interval and risk of preterm birth and neonatal death: Retrospective cohort study. BMJ Publishing Group Ltd.
Stile di citazione ChicagoInterpregnancy Interval and Risk of Preterm Birth and Neonatal Death: Retrospective Cohort Study. BMJ Publishing Group Ltd, 2003.
Citazione MLAInterpregnancy Interval and Risk of Preterm Birth and Neonatal Death: Retrospective Cohort Study. BMJ Publishing Group Ltd, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.