TY - GEN AU - Kortekangas,A E AU - Virolainen,E TI - [Experiences with polyethylene ventilation tubes in children with recurrent middle ear inflammation (author's transl)] SN - 0017-6192 PY - 1976///1020 KW - Adolescent KW - Child KW - Child, Preschool KW - Chronic Disease KW - Drainage KW - Humans KW - Infant KW - Otitis Media KW - therapy KW - Polyethylenes KW - Recurrence KW - Time Factors N1 - Publication Type: English Abstract; Journal Article ER -