TY - JOUR AU - Konopka, W; Olszewski, J; Pietkiewicz, P; Mielczarek, M TI - Distortion product otoacoustic emissions before and after one year exposure to impulse noise JO - Otolaryngol Pol IS - 2 VL - 60 PY - 2006 SP - 243 EP - 47 ER -