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Phylogenetic analysis is becoming an increasingly important tool for biological research.Applications include epidemiological studies, drug development, and evolutionary analysis.Phylogenetic search is a known NP-Hard problem.The size of the data sets which can be analyzed is limited by the exponential growth in the number of trees that must be considered as the problem size increases.A better understanding of the problem space could lead to better methods, which in turn could lead to the feasible analysis of more data sets.We present a definition of phylogenetic tree space and a visualization of this space that shows significant exploitable structure.This structure can be used to develop search methods capable of handling much larger datasets.
BioMed Central (Epidemiology) - Tue, 8 June 2010
http://www.biomedcentral.com
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A significant and largely untapped global market exists for more effective and affordable tests to diagnose tuberculosis in low and middle income countries, where most TB cases today occur.
World Health Organization (Epidemiology) - Wed, 25 October 2006
http://www.who.int
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O objetivo desta revisão sistemática foi avaliar os estudos analíticos que relacionaram a doença periodontal como possível fator de risco para desfechos indesejáveis da gestação.
Cadernos de Saúde Pública (Epidemiology) - Thu, 7 September 2006
http://www.scielo.br