Have you ever heard of a Rokurokubi? In Japanese folklore, it is a timid demon that can extend it`s head on a very long neck. In this screen saver you can see a Rokurokubi and a host of demons, goblins, witches, and other creatures collectively calle
Statistical software for biomedical research, also including ROC curve analysis, method comparison and quality control tools. Certified for Windows Vista.
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