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Journals and Conferences
A report by the International Society for Stem Cell Research (ISSCR)'s Task Force on Unproven Stem Cell Treatments outlines development of resources for patients, their families, and physicians seeking information on stem cell treatments.
AIDS is systematically changing attitudes and practices regarding the regulation and use of drugs. The complex framework and rigorous research protocols developed by the Food and Drug Administration prior to the 1980s to minimize risk to subjects is shifting in the epidemic's wake to maximize innovation. The FDA has adopted new procedures hastening access… (More)
Given a totally real algebraic number field K, we investigate when totally positive units, U¿, are squares, u£. In particular, we prove that the rank of U¿ /Ují is bounded above by the minimum of (1) the 2-rank of the narrow class group of K and (2) the rank of Ul /U¿ as L ranges over all (finite) totally real extension fields of K. Several applications are… (More)