Janus S. Liang

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We have monitored Epstein-Barr virus (EBV) IgA antibody levels of 39 nasopharyngeal carcinoma (NPC) cases for up to 15 years before clinical onset of NPC, and assessed preclinical serologic status of another 68 cases. Our results identify a serologic window preceding diagnosis when antibody levels are raised and sustained. This window can persist for as(More)
Air conditioning has become standard equipment on most vehicles, enhancing traveling comfort and safety. Modern systems feature integrated cooling, heating, demisting and defrosting, air filtering, and humidity control. There are a wide range of factors that affect the global warming contribution of a car, many of which result from how the car is used in(More)