TY - JOUR A1 - Helleringer, S. A1 - Pison, G. A1 - Masquelier, B. A1 - Kanté, A.M. A1 - Douillot, L. A1 - Duthé, G. A1 - Sokhna, C. A1 - Delaunay, V. T1 - Improving the quality of adult mortality data collected in demographic surveys: Validation study of a new siblings’ survival questionnaire in Niakhar, Senegal Y1 - 2014a DO - 10.1371/journal.pmed.1001652 VL - 11 IS - 5 ER -