منابع مشابه
Better Answers to Real Questions
We consider existential problems over the reals. Extended quantifier elimination generalizes the concept of regular quantifier elimination by providing in addition answers, which are descriptions of possible assignments for the quantified variables. Implementations of extended quantifier elimination via virtual substitution have been successfully applied to various problems in science and engin...
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THE PROBLEM OF ANTIMICROBIAL RESISTANCE HAS BEEN evident almost from the time antimicrobial drugs entered the pharmacopoeia. However, the clinical impact of resistance has been difficult to measure for a variety of reasons, including separating out the effect of underlying illness and the availability of at least 1 effective drug for most infections. Antimicrobial resistance also has economic c...
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متن کاملThe U.S. physician workforce: serious questions raised, answers needed.
Answers Needed We all have a stake in the size of the physician workforce. With too few physicians, access to care will be compromised; with too many, there will be strong pressures to overconsume health services. Increasing the production of U.S.-trained physicians by expanding physical resources of medical schools and creating new residency and fellowship positions will be costly and will hav...
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ژورنال
عنوان ژورنال: Nature
سال: 1991
ISSN: 0028-0836,1476-4687
DOI: 10.1038/353692a0