@article{Kintner1988,
author = {Kintner, H.J.},
title= {The impact of breastfeeding patterns on regional differences in infant mortality in Germany, 1910},
year = {1988},
doi = {10.1007/bf01796777},
journal = {European Journal of Population},
volume = {3},
number = {2},
pages = {233--261},
}