@article{Blondel1988,
author = {Blondel, B. and Zuber, M.-C.},
title= {Marital status and cohabitation during pregnancy: Relationship with social conditions, antenatal care and pregnancy outcome in France},
year = {1988},
doi = {10.1111/j.1365-3016.1988.tb00192.x},
journal = {Paediatric and Perinatal Epidemiology},
volume = {2},
number = {2},
pages = {125--137},
}