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Shirodkar versus McDonald Cerclage for the Prevention of Preterm Birth in Women with Short Cervical Length.
Odibo AO, Berghella V, To MS, Rust OA, Althuisius SM, Nicolaides KH.
Am J Perinatol 2007;24:55-60. -
Progesterone and the risk of preterm birth among women with a short cervix.
Fonseca EB, Celik E, Parra M, Singh M, Nicolaides KH.
N Engl J Med 2007;357:462-9.