Medical Multimorbidity in Patients With Treatment-Resistant Psychosis and Rare Copy Number Variants: A Retrospective Case Series of 24 Patients. - Dietterich TE; Xavier RM; Lichtenstein ML; Harner MK; Bruno L; Stowe R; Farrell M; Shaughnessy RA; Berg JS; Sullivan PF; Josiassen RC (American journal of medical genetics. Part A, 2025)