PT - JOURNAL ARTICLE AU - Vivek Bhalla TI - In diabetic nephropathy, high doses of vitamin B decrease glomerular filtration rate and increase risk of the composite outcome of a vascular event or all-cause mortality compared with placebo AID - 10.1136/ebm1141 DP - 2011 Feb 01 TA - Evidence Based Medicine PG - 14--15 VI - 16 IP - 1 4099 - http://ebm.bmj.com/content/16/1/14.short 4100 - http://ebm.bmj.com/content/16/1/14.full SO - Evid Based Med2011 Feb 01; 16