Genetic Distance between Populations
A measure of genetic distance (D) based on the identity of genes between populations is formulated. It is defined as D = -logeI, where I is the normalized identity of genes betw...
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1,704 publications
A Mathematical Theory of Communication
Scientific knowledge grows at a phenomenal pace--but few books have had as lasting an impact or played as important a role in our modern world as The Mathematical Theory of Comm...
Dispersion and Absorption in Dielectrics I. Alternating Current Characteristics
The dispersion and absorption of a considerable number of liquid and dielectrics are represented by the empirical formula ε*−ε∞=(ε0−ε∞)/[1+(iωτ0)1−α]. In this equation, ε* is th...
Headache Classification Committee of the International Headache Society (IHS) The International Classification of Headache Disorders, 3rd edition
Free accessAbstractFirst published online January 25, 2018Headache Classification Committee of the International Headache Society (IHS) The International Classification of Heada...
Cancer Statistics, 2009
Each year, the American Cancer Society estimates the number of new cancer cases and deaths expected in the United States in the current year and compiles the most recent data on...
Practical Statistics for Medical Research
Most medical researchers, whether clinical or non-clinical, receive some background in statistics as undergraduates. However, it is most often brief, a long time ago, and largel...
Free Radicals in the Physiological Control of Cell Function
At high concentrations, free radicals and radical-derived, nonradical reactive species are hazardous for living organisms and damage all major cellular constituents. At moderate...
Measuring the Accuracy of Diagnostic Systems
Diagnostic systems of several kinds are used to distinguish between two classes of events, essentially "signals" and "noise." For them, analysis in terms of the "relative operat...
Diagnostic criteria for multiple sclerosis: 2010 Revisions to the McDonald criteria
Abstract New evidence and consensus has led to further revision of the McDonald Criteria for diagnosis of multiple sclerosis. The use of imaging for demonstration of disseminati...