![Cervilenz assessment of cervical length compared to fetal fibronectin in the prediction of preterm delivery in women with threatened preterm labor]()
Cervilenz assessment of cervical length compared to fetal fibronectin in the prediction of preterm delivery in women with threatened preterm laborBurwick, Richard M.; Zork, Noelia M.; Lee, Gene T.; Ross, Michael G.; Kjos, Siri L. · Journal of Maternal-Fetal and Neonatal Medicine · 2011