ACE inhibitors to prevent end-stage renal disease: when to start and why possibly never to stop: a post hoc analysis of the REIN trial results. Ramipril Efficacy in Nephropathy - Ruggenenti, P; Perna, A; Remuzzi, G (J Am Soc Nephrol, 2001)
; Gruppo Italiano di Studi Epidemiologici in Nefrologia.