Examlex
"The volume of an ideal gas is directly proportional to the number of moles of the gas at constant temperature and pressure" is a statement of ________ law.
Placebos
Inert substances or treatments used in controlled experiments to test the efficacy of another substance or treatment.
Randomized
A method or process in which individuals or elements are selected randomly for participation in a trial or study to ensure fairness and objectivity.
Clinical Trial
A research study conducted with human volunteers to evaluate the safety and effectiveness of medical interventions.
Retrospective Study
A research approach that examines existing data or records to study outcomes that have already occurred.
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