@article{Harder2005,
author = {Harder, T. and Bergmann, R. and Kallischnigg, G. and Plagemann, A.},
title= {Duration of breastfeeding and risk of overweight: A meta-analysis},
year = {2005},
doi = {10.1093/aje/kwi222},
volume = {162},
number = {5},
pages = {397--403},
}