Comparing causes of death of Hodgkin lymphoma and breast cancer patients between medical records and cause-of-death statistics - de Vries S; Schaapveld M; Kardaun JWPF; de Bruin KH; Krol ADG; Lugtenburg PJ; Jacobse JN; Aleman BMP; van Leeuwen FE (Clinical Epidemiology, 2018)