TY - JOUR A1 - Bocquier, P. A1 - Madise, N.J. A1 - Zulu, E. T1 - Is there an urban advantage in child survival in Sub-Saharan Africa? Evidence from 18 countries in the 1990s Y1 - 2011 DO - 10.1007/s13524-011-0019-2 JF - Demography VL - 48 IS - 2 ER -