Standard methods for the examination of water and waste water.
Standard methods for the examination of water and waste water. F W GilcreasCopyRight https://doi.org/10.2105/AJPH.56.3.387 Published Online: August 29, 2011
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Global patterns of 16S rRNA diversity at a depth of millions of sequences per sample
The ongoing revolution in high-throughput sequencing continues to democratize the ability of small groups of investigators to map the microbial component of the biosphere. In pa...
NIA‐AA Research Framework: Toward a biological definition of Alzheimer's disease
Abstract In 2011, the National Institute on Aging and Alzheimer's Association created separate diagnostic recommendations for the preclinical, mild cognitive impairment, and dem...
World Health Organization 2020 guidelines on physical activity and sedentary behaviour
Objectives To describe new WHO 2020 guidelines on physical activity and sedentary behaviour. Methods The guidelines were developed in accordance with WHO protocols. An expert Gu...
Heart Disease and Stroke Statistics—2020 Update: A Report From the American Heart Association
Background: The American Heart Association, in conjunction with the National Institutes of Health, annually reports on the most up-to-date statistics related to heart disease, s...
Mild Cognitive Impairment
Patients who meet the criteria for MCI can be differentiated from healthy control subjects and those with very mild AD. They appear to constitute a clinical entity that can be c...
The Theory of Matrices
Volume 2: XI. Complex symmetric, skew-symmetric, and orthogonal matrices: 1. Some formulas for complex orthogonal and unitary matrices 2. Polar decomposition of a complex matrix...
Strategic assets and organizational rent
Abstract We build on an emerging strategy literature that views the firm as a bundle of resources and capabilities, and examine conditions that contribute to the realization of ...