RT Journal Article SR Electronic T1 The suicide hierarchy JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 490 OP 491 DO 10.3399/bjgp22X720857 VO 72 IS 723 A1 Austin O’Carroll YR 2022 UL http://bjgp.org/content/72/723/490.abstract AB