RT Journal Article SR Electronic T1 Quaternary prevention: an evidence-based concept aiming to protect patients from medical harm JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 614 OP 615 DO 10.3399/bjgp19X706913 VO 69 IS 689 A1 Carlos Martins A1 Maciek Godycki-Cwirko A1 Bruno Heleno A1 John Brodersen YR 2019 UL http://bjgp.org/content/69/689/614.abstract AB