RT Journal Article SR Electronic T1 Albumin-to-creatinine ratio in a timed overnight urine sample was accurate for screening for microalbuminuria in diabetes mellitus JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 157 OP 157 DO 10.1136/ebm.1999.4.157 VO 4 IS 5 YR 1999 UL http://ebm.bmj.com/content/4/5/157.abstract AB