RT Journal Article SR Electronic T1 Prompt insertion of tympanostomy tubes in infants and toddlers with persistent middle ear effusion did not improve developmental outcomes at 9–11 years of age JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 80 OP 80 DO 10.1136/ebm.12.3.80 VO 12 IS 3 YR 2007 UL http://ebm.bmj.com/content/12/3/80.abstract AB