Jean Johnson at work in a laboratory while sitting at table with various equipment. Her back is mostly turned to the camera.
Unidentified African American woman working at a piece of equipment in the cardiovascular lab. She's wearing a lab coat and is mostly turned away from...
Junior volunteer Heather Martin performing an unidentified task at a counter while working in a lab area. She's looking down and concentrating on what...
Junior volunteer Heather Martin performing an unidentified task at a counter while working in a lab area.
Junior volunteer Heather Martin placing an unidentified rectangular item in an unidentified machine while working in a lab area.
Junior volunteer Heather Martin looking through file bins of some sort while working in an lab area. One hand is raised to one of the cubby holes and...
Junior volunteer Heather Martin looking through file bins of some sort while working in an lab area. One hand is raised to one of the cubby holes.
Unidentified African American woman in a lab coat labeled "cardiology" standing next to a table with equipment all around her in the cardiovascular...
