@article{Velarde2017,
author = {Velarde, M. and Zegers-Hochschild, F.},
title= {Measuring the distribution of adolescent births among 15–19-year olds in Chile: An ecological study},
year = {2017},
doi = {10.1136/jfprhc-2015-101230},
volume = {43},
pages = {302--308},
}