TY - JOUR A1 - Alkema, L. A1 - Raftery, A.E. A1 - Gerland, P. A1 - Clark, S.J. A1 - Pelletier, F. T1 - Estimating trends in the total fertility rate with uncertainty using imperfect data: Examples from West Africa Y1 - 2012 DO - 10.4054/DemRes.2012.26.15 VL - 26 IS - 15 ER -