The full title (which is longer than HN allows) is Ionising radiation and risk of death from leukaemia and lymphoma in radiation-monitored workers (INWORKS): an

The full title (which is longer than HN allows) is Ionising radiation and risk of death from leukaemia and lymphoma in radiation-monitored workers (INWORKS): an international cohort study, the full paper is available at the link. Their interpretation, quoted from the abstract: This study provides strong evidence of positive associations between protracted low-dose radiation exposure and leukaemia.