@article{Wilcox1988,
author = {Wilcox, A.J. and Weinberg, C.R. and O'Connor, J.F. and Baird, D.D. and Schlatterer, J.P. and Canfield, R.E. and Armstrong, E.G. and Nisula, B.C. },
title= {Incidence of early loss of pregnancy},
year = {1988},
doi = {10.1056/NEJM198807283190401},
journal = {New England Journal of Medicine },
volume = {319},
number = {4},
pages = {189−194},
}