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Control Groups
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D035061 |
[Groups that serve as a standard for comparison in experimental studies. They are similar in relevant characteristics to the experimental group but do not receive the experimental intervention.
] |
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Controlled Before-After Studies
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D065187 |
[A study in which observations are made before and after an intervention, both in a group that receives the intervention and in a control group that does not.
] |
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Controlled Clinical Trial
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D018848 |
[A work that reports on a clinical trial involving one or more test treatments, at least one control treatment, specified outcome measures for evaluating the studied intervention, and a bias-free method for assigning patients to the test treatment. The treatment may be drugs, devices, or procedures studied for diagnostic, therapeutic, or prophylactic effectiveness. Control measures include placebos, active medicine, no-treatment, dosage forms and regimens, historical comparisons, etc. When randomization using mathematical techniques, such as the use of a random numbers table, is employed to assign patients to test or control treatments, the trial is characterized as a RANDOMIZED CONTROLLED TRIAL.
] |
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Controlled Clinical Trials as Topic
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D018849 |
[Works about clinical trials involving one or more test treatments, at least one control treatment, specified outcome measures for evaluating the studied intervention, and a bias-free method for assigning patients to the test treatment. The treatment may be drugs, devices, or procedures studied for diagnostic, therapeutic, or prophylactic effectiveness. Control measures include placebos, active medicines, no-treatment, dosage forms and regimens, historical comparisons, etc. When randomization using mathematical techniques, such as the use of a random numbers table, is employed to assign patients to test or control treatments, the trials are characterized as RANDOMIZED CONTROLLED TRIALS AS TOPIC.
] |
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Controlled Substances
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D061891 |
[Drugs or chemical agents whose manufacture, possession, or use are regulated by government. This may include narcotics and prescription medications.
] |
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Contusions
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D003288 |
[Injuries resulting in hemorrhage, usually manifested in the skin.
] |
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Conus Snail
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D052078 |
[A genus of cone-shaped marine snails in the family Conidae, class GASTROPODA. It comprises more than 600 species, many containing unique venoms (CONUS VENOMS) with which they immobilize their prey.
] |
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Convalescence
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D003289 |
[The period of recovery following an illness.
] |
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Convallaria
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D031405 |
[A plant genus of the family Asparagaceae that contains CARDIAC GLYCOSIDES.
] |
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Convection
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D018481 |
[Transmission of energy or mass by a medium involving movement of the medium itself. The circulatory movement that occurs in a fluid at a nonuniform temperature owing to the variation of its density and the action of gravity. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed; Webster, 10th ed)
] |
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Convergence, Ocular
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D003290 |
[The turning inward of the lines of sight toward each other.
] |
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Conversion Disorder
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D003291 |
[A disorder whose predominant feature is a loss or alteration in physical functioning that suggests a physical disorder but that is actually a direct expression of a psychological conflict or need.
] |
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Conversion to Open Surgery
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D061887 |
[Changing an operative procedure from an endoscopic surgical procedure to an open approach during the INTRAOPERATIVE PERIOD.
] |
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Convolvulaceae
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D027722 |
[The morning glory family of flowering plants, of the order Solanales, which includes about 50 genera and at least 1,400 species. Leaves are alternate and flowers are funnel-shaped. Most are twining and erect herbs, with a few woody vines, trees, and shrubs.
, A plant genus. Some have been reclassified to IPOMOEA or Turbina.
, A plant genus. Members contain mammosides.
] |
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Convolvulus
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D031254 |
[A plant genus of the family CONVOLVULACEAE. The common name of morning glory also refers to IPOMOEA. The common name of bindweed also refers to IPOMOEA; CALYSTEGIA; or POLYGONUM.
] |
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Convulsants
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D003292 |
[Substances that act in the brain stem or spinal cord to produce tonic or clonic convulsions, often by removing normal inhibitory tone. They were formerly used to stimulate respiration or as antidotes to barbiturate overdose. They are now most commonly used as experimental tools.
] |
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Convulsive Therapy
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D003295 |
[Convulsions induced in order to treat MENTAL DISORDERS. It is used primarily in the treatment of severe affective disorders and SCHIZOPHRENIA.
] |
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Conyza
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D035401 |
[A plant genus of the family ASTERACEAE. Members contain alkenynes, daucosterol, friedelinol, conyzasaponins and other TRITERPENES.
] |
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Cookbook
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D055823 |
[Collection of recipes or instructions for preparation of food and organization of meals.
] |
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Cookbooks as Topic
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D055927 |
[Works about a set of instructions about how to prepare food for eating using specific directions.
, Instructions on preparation of specific food for eating.
] |