RT Journal Article SR Electronic T1 Oral iron therapy reduced unexplained fatigue in non-anaemic women with serum ferritin concentrations ⩽50 μg/l JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 47 OP 47 DO 10.1136/ebm.9.2.47 VO 9 IS 2 YR 2004 UL http://ebm.bmj.com/content/9/2/47.abstract AB