Boutitie, F; Gueyffier, F; Pocock, S; Fagard, R; Boissel, JP; (2002) J-shaped relationship between blood pressure and mortality in hypertensive patients: New insights from a meta-analysis of individual-patient data. Annals of internal medicine, 136 (6). pp. 438-48. ISSN 0003-4819 https://researchonline.lshtm.ac.uk/id/eprint/16661 Full text not available from this repository.