Polygenic Risk Scores and Twin Concordance for Schizophrenia and Bipolar Disorder. - Song J; Pasman JA; Johansson V; Kuja-Halkola R; Harder A; Karlsson R; Lu Y; Kowalec K; Pedersen NL; Cannon TD; Hultman CM; Sullivan PF (JAMA psychiatry, 2024)