RT Journal Article SR Electronic T1 Postexposure prophylaxis with inhaled zanamivir was efficacious for household contacts of people with influenza JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 140 OP 140 DO 10.1136/ebm.6.5.140 VO 6 IS 5 YR 2001 UL http://ebm.bmj.com/content/6/5/140.abstract AB