TY - RPRT A1 - Bradley, S.E.K. A1 - Winfrey, W. A1 - Croft, T.N. T1 - Contraceptive use and perinatal mortality in the DHS: an assessment of the quality and consistency of calendars and histories Y1 - 2015 UR - http://dhsprogram.com/pubs/pdf/MR17/MR17.pdf T3 - DHS Methodological Reports 17 ER -