Fertility in patients with advanced-stage classic Hodgkin lymphoma treated with BrECADD versus eBEACOPP: a secondary analysis of the multicentre, randomised, parallel, open-label, phase 3 HD21 trial. - Ferdinandus J; Schneider G; Moccia A; Greil R; Hertzberg M; Schaub V; Hüttmann A; Keil F; Dierlamm J; Hänel M; Novak U; Meissner J; et al. (The Lancet. Oncology, 2025)