title: Chronic secretory otitis media in children. A clinical study.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001307:Auditory Perception; D001309:Auditory Threshold; D001844:Bone Conduction; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D005260:Female; D005500:Follow-Up Studies; D006190:Haemophilus / Q000302:isolation & purification; D006320:Hearing Tests; D006801:Humans; D007223:Infant; D008297:Male; D010033:Otitis Media / Q000382:microbiology / Q000503:physiopathology / Q000628:therapy; D013210:Staphylococcus / Q000302:isolation & purification; D014433:Tympanoplasty