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The Lancet (British edition), ISSN 0140-6736, 2007, Volume 370, Issue 9589, pp. 741 - 750
Journal Article
Journal Article
American journal of obstetrics and gynecology, ISSN 0002-9378, 05/2017, Volume 216, Issue 5, pp. 525.e1 - 525.e12
Journal Article
The Lancet (British edition), ISSN 0140-6736, 11/2008, Volume 372, Issue 9653, pp. 1894 - 1905
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