TY - JOUR A1 - Kravdal, Ø. T1 - Is the relationship between childbearing and cancer incidence due to biology or lifestyle? Examples of the importance of using data on men Y1 - 1995 DO - 10.1093/ije/24.3.477 JF - International Journal of Epidemiology VL - 24 IS - 3 SP - 477 EP - -484 ER -