_:vb50947560 . _:vb50947560 . _:vb50947560 . _:vb50947560 "A non-suppurative otitis media that is characterized by effusion with very thick and glue-like middle ear fluid which may cause conductive hearing impairment."^^ . _:vb50947560 . _:vb50947560 "url:http://en.wikipedia.org/wiki/Otitis_media#Otitis_media_with_effusion"^^ . _:vb50947560 .