[Contribution to the study of presbyacusia. Effect of a new psychodynamic agent].
D003638:Deafness / Q000628:therapy*; D034381:Hearing Loss; D006801:Humans; D008774:Methylphenidate / Q000628:therapy*; D011304:Presbycusis
D008774:Methylphenidate
DEAFNESS/therapy; METHYLPHENIDYLACETATE/therapy