@article{Bengtsson2010,
author = {Bengtsson, T. and Dribe, M.},
title= {Quantifying the family frailty effect in infant and child mortality by using median hazard ratio (MHR): The case of rural Sweden, 1766–1895},
year = {2010},
doi = {10.1080/01615440903270299},
journal = {Historical Methods},
volume = {43},
number = {1},
pages = {15−27},
}