RT Journal Article SR Electronic T1 Contamination of urine specimens did not differ with collection technique in women with acute dysuria JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 91 OP 91 DO 10.1136/ebm.6.3.91 VO 6 IS 3 YR 2001 UL http://ebm.bmj.com/content/6/3/91.abstract AB