'(Jimmy of the Clue Crew stands in front of another apparatus.)  A device that uses microchips to detect one cancer cell in a billion may supersede this technique of taking tissue samples from living patients and may lead to finding  cancers before tumors form'
a biopsy
MASSACHUSETTS GENERAL HOSPITAL: A device that uses microchips to detect one cancer cell in a billion may supersede this technique of taking tissue samples from living patients and may lead to finding  cancers before tumors form
A device that uses microchips to detect one cancer cell in a billion may supersede this technique of taking tissue samples from living patients and may lead to finding  cancers before tumors form
A device that uses microchips to detect one cancer cell in a billion may supersede this technique of taking tissue samples from living patients and may lead to finding  cancers before tumors form
MASSACHUSETTS GENERAL HOSPITAL
a biopsy
MASSACHUSETTS GENERAL HOSPITAL