RT Journal Article SR Electronic T1 Meta-analysis: Dietary protein restriction delays progression in renal disease JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 147 OP 147 DO 10.1136/ebm.1996.1.147 VO 1 IS 5 YR 1996 UL http://ebm.bmj.com/content/1/5/147.abstract AB