@article{Strand2005,
author = {Strand, B.H. and Tverdal, A. and Claussen, B. and Zahl, P.H.},
title= {Is birth history the key to highly educated women's higher breast cancer mortality? A follow-up study of 500,000 women aged 35-54},
year = {2005},
doi = {10.1002/ijc.21239},
journal = {International Journal of Cancer},
volume = {117},
number = {6},
pages = {1002--1006},
}