NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,176 terms related to cancer and medicine.
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- physician assistant
- listen (fih-ZIH-shun uh-SIS-tunt)
- A health professional who is licensed to do certain medical procedures under the guidance of a doctor. A physician assistant may take medical histories, do physical exams, take blood and urine samples, care for wounds, and give injections and immunizations. Also called PA.