Examlex
Initially the Clean Air Act of 1990 required ___ of the nation's dirtiest coal burning plants to cut down on emissions
Whole Blood
Whole blood refers to the total volume of plasma and formed elements (erythrocytes, leukocytes, and platelets) circulating in the body's cardiovascular system.
Urine Samples
Specimens of urine collected for medical testing to diagnose diseases or monitor conditions.
Control Samples
Specimens or materials used as a standard of comparison for checking the results of an experiment or test.
Positive And Negative
Terms used to describe the presence or absence of a condition or property, often used in scientific and medical testing.
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