[Focal infection as etiological factor of hard hearing].
D005490:Focal Infection; D006309:Hearing; D006311:Hearing Disorders / Q000209:etiology*; D034381:Hearing Loss; D006320:Hearing Tests; D006801:Humans
FOCAL INFECTION/manifestations; HEARING DISORDERS/etiology and pathogenesis
Schwerhörigkeit in Abhängigkeit von eineim Focus.