Four channel system for electric response audiometry (ERA).

: Salmivalli A., Sillanpää M., Nurkkanen P., Lang H.

: 1970

 Acta Paediatrica Scandinavica, Supplement

: Acta Paediatrica Scandinavica, Supplement

: 206

: 0300-8843

: https://api.elsevier.com/content/abstract/scopus_id/0014900447