@article{Regan2018,
author = {Regan, A.K. and Ball, S.J. and Warren, J.L. and Malacova, E. and Padula, A. and Marston, C. and Pereira, G.A.},
title= {Population-based matched-sibling analysis estimating the associations between first interpregnancy interval and birth outcomes},
year = {2018},
doi = {10.1093/aje/kwy188},
volume = {188},
number = {1},
pages = {9‒16},
}