PT - JOURNAL ARTICLE ED - , TI - Early surgery was better than watchful waiting for language development In children with persistent otitis media with effusion AID - 10.1136/ebm.1999.4.137 DP - 1999 Oct 01 TA - Evidence Based Medicine PG - 137--137 VI - 4 IP - 5 4099 - http://ebm.bmj.com/content/4/5/137.short 4100 - http://ebm.bmj.com/content/4/5/137.full SO - Evid Based Med1999 Oct 01; 4