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Lo JO, Cori D F, Norton ME, Caughey AB.Lo JO, et al. Among authors: caughey ab.Obstet Gynecol Surv. 2014 Feb;69(2):89-99. doi: 10.1097/OGX.0000000000000029.Obstet Gynecol Surv. 2014.PMID: 25112487