TY - JOUR A1 - Ball, S.J. A1 - Pereira, G. A1 - Jacoby, P. A1 - De Klerk, N. A1 - Stanley, F.J. T1 - Re-evaluation of link between interpregnancy interval and adverse birth outcomes: Retrospective cohort study matching two intervals per mother Y1 - 2014 DO - 10.1136/bmj.g4333 VL - 349 ER -