956 resultados para Ongoing concessions
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Lithographed.
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The republic of Argentina.--The United states of Brazil.--The republic of Bolivia.--The republic of Chile.--The republic of Peru--The republic of Paraguay.--The republic of Uruguay.--The republic of Guatemala.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Distributed to some depository libraries in microfiche.
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Includes index.
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Includes bibliographical references.
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Binder's title: Mélanges. Divers.1831.
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Includes bibliographical references.
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Mode of access: Internet.
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Nucleic acid amplification tests (NAATs) for the detection of Neisseria gonorrhoeae became available in the early 1990s. Although offering several advantages over traditional detection methods, N. gonorrhoeae NAATs do have some limitations. These include cost, risk of carryover contamination, inhibition, and inability to provide antibiotic resistance data. In addition, there are sequence-related limitations that are unique to N. gonorrhoeae NAATs. In particular, false-positive results are a major consideration. These primarily stem from the frequent horizontal genetic exchange occurring within the Neisseria genus, leading to commensal Neisseria species acquiring N. gonorrhoeae genes. Furthermore, some N. gonorrhoeae subtypes may lack specific sequences targeted by a particular NAAT. Therefore, NAAT false-negative results because of sequence variation may occur in some gonococcal populations. Overall, the N. gonorrhoeae species continues to present a considerable challenge for molecular diagnostics. The need to evaluate N. gonorrhoeae NAATs before their use in any new patient population and to educate physicians on the limitations of these tests is emphasized in this review.