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Literature DB >> 4709485

Diagnosis of an incompetent internal cervical os.

Abstract

Source DB: PubMed Journal: Am J Obstet Gynecol ISSN： 0002-9378 Impact factor: 8.661

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Authors: D P O'Brien; J F Murphy
Journal: Ir J Med Sci Date: 1978-06 Impact factor: 1.568

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