@article{Meister2008,
author = {Meister, R. and Schaefer, C.},
title= {Statistical methods for estimating the probability of spontaneous abortion in observational studies: Analyzing pregnancies exposed to coumarin derivatives},
year = {2008},
doi = {10.1016/j.reprotox.2008.06.006},
volume = {26},
number = {1},
pages = {31--35},
}