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Cervical cerclage for preterm birth prevention in twin gestation with short cervix: a retrospective cohort study.
Houlihan C, Poon LC, Ciarlo M, Kim E, Guzman ER, Nicolaides KH.
Ultrasound Obstet Gynecol 2016;48:752-6. pdf -
Inverted Pyramid of Care.
Sonek JD, Kagan KO, Nicolaides KH.
Clin Lab Med 2016;36:305-17. pdf