TY - JOUR A1 - KVÅLE, GUNNAR A1 - HEUCH, IVAR A1 - NILSSEN, STEINER T1 - Parity in Relation to Mortality and Cancer Incidence: A Prospective Study of Norwegian Women Y1 - 1994 DO - 10.1093/ije/23.4.691 JF - International Journal of Epidemiology VL - 23 IS - 4 SP - 691 EP - -699 ER -