SE Simonsen, JL Lyon, JB Stanford, CA Porucznik, MS Esplin and MW Varner Risk factors for recurrent preterm birth in multiparous Utah women: a historical cohort study BJOG: An International Journal of Obstetrics & Gynaecology 120
Article first published online: 19 FEB 2013 | DOI: 10.1111/1471-0528.12182
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