@article{KVÅLE1994,
author = {KVÅLE, GUNNAR and HEUCH, IVAR and NILSSEN, STEINER},
title= {Parity in Relation to Mortality and Cancer Incidence: A Prospective Study of Norwegian Women},
year = {1994},
doi = {10.1093/ije/23.4.691},
journal = {International Journal of Epidemiology},
volume = {23},
number = {4},
pages = {691--699},
}