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 JF - Demographic Research VL - 26 IS - 15 SP - 331 EP - -362 ER -