Methods: 11 subjects abilities to detect near threshold pure tone levels were measured in different noise free from hearingdisorder.
方法：测试在不同的噪声水平时听力正常的11名受试者感知听阈附近纯音的能力。
2
Objective to investigate the incidence of hearingdisorder and analyse the high-risk factors with hearing injury in newborns with hyperbilirubinemia.
目的研究高胆红素患儿听力障碍的发生率，探讨与听力障碍发生有关的高危因素。
3
Objective To investigate the incidence of hearingdisorder and the relevant pathogenic factors among high risk newborns in neonatal intensive care unit(NICU).