Disposable Masks 一次性口罩

无显著差异！JAMA 揭示 N95 与医用外科口罩在预防流感发病率方面没有显著差异

为《N95 Respirators vs Medical Masks for Preventing Influenza AmongHealth Care Personnel A Randomized Clinical Trial》的随机对照临床研究。通过对美国门诊医生的长时间临床观察，最终得出结论为「佩戴 N95 与医用外科口罩（美标）在预防流感发病率方面没有显著差异」。图片来源：JAMA研究背景全球范围内，每年都会爆发季节性呼吸道传染病。关于 N95 口罩和医用外科口罩在预防医务人员感染呼吸道感

超净台里的酒精灯，有害无益？

will be minimized. The burner must be turned off when work is completed. Small electric "furnaces" are available for decontaminating bacteriological loops and needles and are preferable to an open flame inside the BSC. Disposable sterile loops can also be used.事实上使用

Prime‐, Stress‐, and Cue‐Induced Reinstatement of Extinguished Drug‐Reinforced Responding in Rats: Cocaine as the Prototypical Drug of Abuse

20‐ml Luer‐lock sterile disposable plastic syringes 0.2‐µm membrane sterile syringe filters (25‐mm diameter)