RT Journal Article SR Electronic T1 The need and means for evidence-based medicine in developing countries JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 100 OP 101 DO 10.1136/ebm.5.4.100 VO 5 IS 4 A1 Antonio L Dans A1 Leonila F Dans YR 2000 UL http://ebm.bmj.com/content/5/4/100.abstract AB