@article{ec315bf22fc14804b73911da04eccbcd,
title = "Pessaries in multiple pregnancy as a prevention of preterm birth: the ProTwin Trial",
author = "MA Hegeman and DJ Bekedam and KWM Bloemenkamp and A Kwee and Dimitri Papatsonis and \{Van der Post\}, JAM and AC Lim and HCJ Scheepers and C Willekes and J.J. Duvekot and M Spaanderman and MM Porath and \{van Eyck\}, J and MC Haak and \{van Pampus\}, MG and HW Bruinse and Mol, \{BWJ (Ben)\}",
year = "2009",
doi = "10.1186/1471-2393-9-44",
language = "Undefined/Unknown",
volume = "9",
pages = "44",
journal = "BMC Pregnancy and Childbirth",
issn = "1471-2393",
publisher = "BioMed Central Ltd.",
}