Fig. 1From: A prospective investigation of oral contraceptive use and breast cancer mortality: findings from the Swedish women’s lifestyle and health cohortMortality risk from all causes, up to 10 years after diagnosis, by oral contraceptive use among women diagnosed with breast cancer in the Swedish women’s lifestyle and health cohort. a without imputation of missing values for oral contraceptive use b after imputation of missing values for oral contraceptive useBack to article page