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Dairy Cow -- See Cattle Domesticated bovine animals of the genus Bos, usually kept on a farm or ranch and used for the production of meat or dairy products or for heavy labor. --consider also terms at BOVINE
Dandruff -- See Also Dermatitis, Seborrheic A chronic inflammatory disease of the skin with unknown etiology. It is characterized by moderate ERYTHEMA, dry, moist, or greasy (SEBACEOUS GLAND) scaling and yellow crusted patches on various areas, especially the scalp, that exfoliate as dandruff. Seborrheic dermatitis is common in children and adolescents with HIV INFECTIONS.
Dane Particle -- See Hepatitis B virus The type species of the genus ORTHOHEPADNAVIRUS which causes human HEPATITIS B and is also apparently a causal agent in human HEPATOCELLULAR CARCINOMA. The Dane particle is an intact hepatitis virion, named after its discoverer. Non-infectious spherical and tubular particles are also seen in the serum.
Dangerous Behavior -- See Also Risk-Taking Undertaking a task involving a challenge for achievement or a desirable goal in which there is a lack of certainty or a fear of failure. It may also include the exhibiting of certain behaviors whose outcomes may present a risk to the individual or to those associated with him or her.
Danio Rerio -- See Zebrafish An exotic species of the family CYPRINIDAE, originally from Asia, that has been introduced in North America. Zebrafish is a model organism for drug assay and cancer research.
Danshen -- See Salvia miltiorrhiza A plant species which is known as an Oriental traditional medicinal plant.
Data Analysis Statistical -- See Data Interpretation, Statistical Application of statistical procedures to analyze specific observed or assumed facts from a particular study.
Data And Safety Monitoring Boards -- See Clinical Trials Data Monitoring Committees Committees established to review interim data and efficacy outcomes in clinical trials. The findings of these committees are used in deciding whether a trial should be continued as designed, changed, or terminated. Government regulations regarding federally-funded research involving human subjects (the "Common Rule") require (45 CFR 46.111) that research ethics committees reviewing large-scale clinical trials monitor the data collected using a mechanism such as a data monitoring committee. FDA regulations (21 CFR 50.24) require that such committees be established to monitor studies conducted in emergency settings.
Data Collection -- See Also Empirical Research The study, based on direct observation, use of statistical records, interviews, or experimental methods, of actual practices or the actual impact of practices or policies.
Data Collection Congresses : Learning what works : infrastructure required for comparative effectiveness research : workshop summary / LeighAnne Olsen, Claudia Grossmann, and J. Michael McGinnis ; Institute of Medicine of the National Academies.
Data Collection Legislation And Jurisprudence United States Congresses : Improving racial and ethnic data on health : report of a workshop / Panel on DHHS Collection of Race and Ethnicity Data ; Daniel Melnick and Edward Perrin, editors ; Committee on National Statistics, Division of Behavioral and Social Sciences and Education, National Research Council of the National Academies.
Data Collection Statistics And Numerical Data : Monitoring HIV Care in the United States : Indicators and Data Systems / Committee to Review Data Systems for Monitoring HIV Care, Board on Population Health and Public Health Practice, Morgan A. Ford and Carol Mason Spicer, Editors.
Data Management Methods : Data matters : ethics, data, and international research collaboration in a changing world : proceedings of a workshop / Susan Sauer Sloan and Joe Alper, rapporteurs ; Planning Committee for the Workshop on Ethics, Data, and International Research Collaboration in a Changing World, Government-University-Industry Research Roundtable, Policy and Global Affairs, the National Academies of Sciences, Engineering, Medicine.