RT Journal Article SR Electronic T1 Review: delayed or immediate prescriptions of antibiotics have similar clinical outcomes in respiratory infections JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 42 OP 42 DO 10.1136/ebm.13.2.42 VO 13 IS 2 YR 2008 UL http://ebm.bmj.com/content/13/2/42.abstract AB