On the importance of multiple aspects of cluster validation in multimorbidity research2026-06-150 PRE AI NNikolaj Olerud Holm AAnne Frølich HHelle Gybel Juul-Larsen JJuliette Tavenier LLine Jee Hartmann Rasmussen MMorten Baltzer Houlind AAnders Stockmarr DOI:10.1016/j.jclinepi.2026.112377OriginalOriginal request for helpShareSaveAbstract En