González-López, M.A. et al. 2025. Chondrodermatitis Nodularis Helicis: Association With Higher Risk of Multimorbidity and Mortality in Middle-Aged Individuals and Implications for Prevention. An Observational Multicenter, Retrospective, Case-Control Investigation in Northern Spain. Dermatology Practical & Conceptual. 15, 3 (Jul. 2025), 4828. DOI:https://doi.org/10.5826/dpc.1503a4828.