RT Journal Article SR Electronic T1 Identifying patients at risk of psychosis JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 108 OP 108 DO 10.3399/bjgp21X714989 VO 71 IS 704 A1 Peter Carter YR 2021 UL http://bjgp.org/content/71/704/108.1.abstract AB