@article{Seidman1988,
author = {Seidman, D.S. and Ever-Hadani, P. and Stevenson, D. and Slater, P. and Harlap, S. and Gale, R.},
title= {Birth order and weight re-examined},
year = {1988},
journal = {Obstetrics and Gynecology},
volume = {72},
number = {2},
pages = {158--162},
}