Seasonal stroke death in Japan during the past 20 years

Age-specific Antibody to Hepatitis E Virus Stays Constant during the Past 20 Years in Japan

Department of Medicine, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto 390-8621, Japan Department of Virology II, National Institutes of Infectious Diseases, 1-23-1 Toyama, Shinjuku, Tokyo 162-8640, Japan Miyakawa Memorial Research Foundation, Tokyo 107-0062, Japan Shinshu University Graduate School of Medicine, Institute of Organ Transplants, Reconstructive Medicine and Tissue E...

[Trends of plant toxin food poisonings during the past 50 years in Japan].

In the present study, we reviewed food poisoning data published by the Ministry of Health, Labour and Welfare of Japan from 1961 to 2010 in Japan to analyze the trends of plant toxin food poisonings (PTFPs). The annual number of incidents of PTFPs has gradually increased since 1995. PTFPs were predominantly caused by Datura spp., Veratrum spp. and Aconitum spp. Although PTFPs frequently occurre...

20 Years Past Weiser: What's Next?

I n 1999—almost a decade after Mark Weiser wrote his seminal article1—the then-popular search engine Alta Vista found seven hits in response to a “pervasive computing” search query. Today, Google responds with more than 1,900,000 search results (or 2,300,000 for “ubiquitous computing”). The dawning of this research field is over—we’ve reached the break of day! The question now is, what’s next? ...

Selected Developments in Programmable Networking Over the Past 20 Years

Plant science research productivity in Chile during the past 20 years.

The purpose of this study was to carry out a bibliometric analysis of the articles published in Chile during 1987-2006 that were categorized into the Plant Science discipline by ISI. The data was extracted from the Web of Science datábase, obtaining a total of 911 articles for analysis. Almost half of the articles were the outcome of an international collaboration, the United States being the c...