@article{Modin2002,
author = {Modin, B.},
title= {Birth Order and Mortality: a Life-Long Follow-Up of 14,200 Boys and Girls Born in Early 20th Century Sweden},
year = {2002},
doi = {10.1016/S0277-9536(01)00080-6},
journal = {Social Science and Medicine},
volume = {54},
number = {7},
pages = {1051--1064},
}