Functional examination of hearing; summaries of the bibliographic material available in the field of otolaryngology for 1954-1955.
D006309:Hearing; D006310:Hearing Aids; D006311:Hearing Disorders / Q000209:etiology*; D006320:Hearing Tests; D010036:Otolaryngology; D014947:Wounds and Injuries
HEARING AIDS; HEARING DISORDERS/etiology and pathogenesis; HEARING TESTS; WOUNDS AND INJURIES