@article{Class2017,
author = {Class, Q.A. and Rickert, M.E. and Oberg, A.S. and Sujan, A.C. and Almqvist, C. and Larsson, H. and DʼOnofrio, B.M.},
title= {Within-family analysis of interpregnancy interval and adverse birth outcomes},
year = {2017},
doi = {10.1097/AOG.0000000000002358},
volume = {130},
number = {6},
pages = {1304‒1311},
}