Additional file 31.Web Table 31. Component studies in Xiong et al. 2007: impact of periodontal disease. Component studies in Xiong et al. 2007 reporting impact on stillbirths/perinatal mortality Format: DOC Size: 36KB Download file This file can be viewed with: Microsoft Word Viewer Menezes et al. BMC Pregnancy and Childbirth 2009 9(Suppl 1):S4 doi:10.1186/1471-2393-9-S1-S4 |