RT Journal Article SR Electronic T1 Antibiotics provide no clinically important benefit in mild to moderate acute sinusitis JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP e16 OP e16 DO 10.1136/ebmed-2012-100763 VO 17 IS 6 A1 Roderick P Venekamp YR 2012 UL http://ebm.bmj.com/content/17/6/e16.abstract AB