@article{article72863649,
title   = {Two-stage transvaginal cervical length screening for preterm birth in twin pregnancies},
author = {Hofmeister, Carolina and Brizot, Maria de Lourdes and Liao, Adolfo Wenjaw and Francisco, Rossana Pulcineli Vieira and Zugaib, Marcelo},
year = {2010},
doi = {10.1515/JPM.2010.088},
journal   = {Journal of perinatal medicine}
}