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A Randomized Trial of a Cervical Pessary to Prevent Preterm Singleton Birth.
Nicolaides KH, Syngelaki A, Poon LC, Picciarelli G, Tul N, Zamprakou A, Skyfta E, Parra-Cordero M, Palma-Dias R, Rodriguez Calvo J. Nicolaides KH, et al. Among authors: skyfta e. N Engl J Med. 2016 Mar 17;374(11):1044-52. doi: 10.1056/NEJMoa1511014. N Engl J Med. 2016. PMID: 26981934 Free article. Clinical Trial.