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To determine if the P300 component of the event-related potential indexes risk for substance use and related disorders, we presented a community sample of 377 16-18-year-old males a visual oddball task and selected 31 subjects with the smallest and 31 subjects with the largest P300 amplitudes. An additional 31 subjects whose amplitudes fell in the middle of(More)
There are a variety of L A T E X classes which can be used to produce " overhead slides " for presentations. One of these, beamer, provides flexible and powerful environments which can be used to create slides and PDF-based documents suitable for presentations. Although the class is extensively documented , first-time users may prefer learning about this(More)
Beautiful and expressive documents often require beautiful and expressive graphics. PGF and its front-end TikZ walk a fine line between power, portability and usability, giving a T E X-like approach to graphics. While PGF and TikZ are extensively documented, first-time users may prefer learning about these packages using a collection of graduated examples.(More)
Yersinia heat-shock protein 60 (Ye-hsp60) has recently been found to be a dominant CD4 and CD8 T cell Ag in Yersinia-triggered reactive arthritis. The nature of this response with respect to the epitopes recognized and functional characteristics of the T cells is largely unknown. CD4+ T cell clones specific for Ye-hsp60 were raised from synovial fluid(More)
Beautiful and expressive documents often require beautiful and expressive graphics. PGF and its front-end TikZ walk a thin line between power, porta-bility and usability, giving a T E X-like approach to graphics. While PGF and TikZ are extensively documented, first-time users may prefer learning about these packages using a collection of graduated examples.(More)
PerlT E X couples two well-known worlds — the Perl programming language and the L A T E X typesetting system. The resulting system provides users with a way to augment L A T E X macros with Perl code, thereby adding programming capabilities to L A T E X that would otherwise be difficult to express. In this paper, we illustrate the use of PerlT E X with a(More)
PGF and TikZ are languages for creating graphics. These packages are predominantly two-dimensional graphics packages, so three-dimensional graphing is more challenging, but still possible. A demonstration of how to draw surfaces of revolution, satellite orbits, and intersections of spheres is given. As is typical with three-dimensional graphics, the(More)