目的研究正常人耵聍中马拉色菌菌种构成及同一宿主耵聍中菌种是否一致。方法采集45名健康志愿者双侧耵聍,0.1%曲拉通X-100溶解稀释......

目的建立人体耵聍中多氯联苯(PCBs)的测定方法.方法样品用正己烷萃取、液-液分配萃取分离、柱层析净化、气相色谱法定量和气相色谱......

Objective:To compare cerumenolytic effects of docusate sodium and of 2.5%sodium bicarbonate-In vitro study;observe chara......