Berghella, V., & Saccone, G. (2019). Fetal fibronectin testing for reducing the risk of preterm birth. Cochrane Database Syst Rev.
Citação norma ChicagoBerghella, Vincenzo, and Gabriele Saccone. "Fetal Fibronectin Testing for Reducing the Risk of Preterm Birth." Cochrane Database Syst Rev 2019.
MLA引文Berghella, Vincenzo, and Gabriele Saccone. "Fetal Fibronectin Testing for Reducing the Risk of Preterm Birth." Cochrane Database Syst Rev 2019.
警告:這些引文格式不一定是100%准確.