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(2017) Global, regional, and national levels of maternal mortality, 1990–2015: a systematic analysis for the Global Burden of Disease Study 2015. Obstetrical and Gynecological Survey. pp. 11-13. ISSN 00297828 (ISSN)
(2009) Platform presentations. Surg Radiol Anat. pp. 49-93. ISSN 0930-1038 (Print) 0930-1038