Changes in the guideline relating to the prescription of hearing aids

Journal/Book: Hno. 1996; 44: 175 Fifth Ave, New York, NY 10010. Springer Verlag. 4-5.

Note: Article M Ptok, Hannover Med Sch, Klin & Poliklin Phoniatr & Padaudiol, Konstanty Gutschow Str 8, D-30625 Hannover, Germany