@article{Sjölander2016,
author = {Sjölander, A. and Frisell, T. and Kuja-Halkola, R. and Öberg, S. and Zetterqvist, J.},
title= {Carryover effects in sibling comparison designs},
year = {2016},
doi = {10.1097/EDE.0000000000000541},
volume = {27},
number = {6},
pages = {852‒858},
}