TY - JOUR A1 - Kravdal, Ø A1 - Glattre, E. A1 - Haldorsen, T. T1 - Positive correlation between parity and incidence of thyroid cancer: New evidence based on complete Norwegian birth cohorts Y1 - 1991 DO - 10.1002/ijc.2910490606 VL - 49 IS - 6 ER -