@article{Gayawan2013, author = {Gayawan, E. and B.A., Samson}, title= {A Bayesian semiparametric multilevel survival modelling of age at first birth in Nigeria}, year = {2013}, doi = {10.4054/DemRes.2013.28.45}, journal = {Demographic Research }, volume = {28}, number = {45}, pages = {1339--1372}, }