A hand holds a petri dish with culture samples. Physical description: black-and-white negatives, 2.5X3.5m
Woman holds a petri dish up to the light. Physical description: black-and-white negatives, 2.5X3.5m
Woman obseves a petri dish. Physical description: black-and-white negatives, 2.5X3.5m
Woman swabs petri dish. Physical description: black-and-white negatives, 2.5X3.5m
A hand holds a petri dish with culture samples. Physical description: black-and-white negatives, 2.5...
A hand holds a petri dish with culture samples. Physical description: black-and-white negatives, 2.5...
A hand holds a petri dish with culture samples. Physical description: black-and-white negatives, 2.5...
A hand holds a petri dish with culture samples. Physical description: black-and-white negatives, 2.5...
A hand holds a petri dish with culture samples. Physical description: black-and-white negatives, 2.5...
A hand holds a petri dish with culture samples. Physical description: black-and-white negatives, 2.5...
A hand holds a petri dish with culture samples, and a petri dish and a test tube on the table with b...
A hand holds a petri dish with culture samples, and a petri dish and a test tube on the table with b...
A hand holds a petri dish with culture samples, and a petri dish and a test tube on the table with b...
A hand holds a petri dish with culture samples, and a petri dish and a test tube on the table with b...
A woman examines a petri dish. Physical description: black-and-white negatives, 5.5X5.5m
Woman holds a petri dish up to the light. Physical description: black-and-white negatives, 2.5X3.5m
Woman holds a petri dish up to the light. Physical description: black-and-white negatives, 2.5X3.5m
Woman obseves a petri dish. Physical description: black-and-white negatives, 2.5X3.5m
Woman swabs petri dish. Physical description: black-and-white negatives, 2.5X3.5m
A hand holds a petri dish with culture samples. Physical description: black-and-white negatives, 2.5...
A hand holds a petri dish with culture samples. Physical description: black-and-white negatives, 2.5...
A hand holds a petri dish with culture samples. Physical description: black-and-white negatives, 2.5...
A hand holds a petri dish with culture samples. Physical description: black-and-white negatives, 2.5...
A hand holds a petri dish with culture samples. Physical description: black-and-white negatives, 2.5...
A hand holds a petri dish with culture samples. Physical description: black-and-white negatives, 2.5...
A hand holds a petri dish with culture samples, and a petri dish and a test tube on the table with b...
A hand holds a petri dish with culture samples, and a petri dish and a test tube on the table with b...
A hand holds a petri dish with culture samples, and a petri dish and a test tube on the table with b...
A hand holds a petri dish with culture samples, and a petri dish and a test tube on the table with b...
A woman examines a petri dish. Physical description: black-and-white negatives, 5.5X5.5m
Woman holds a petri dish up to the light. Physical description: black-and-white negatives, 2.5X3.5m
Woman holds a petri dish up to the light. Physical description: black-and-white negatives, 2.5X3.5m
Woman obseves a petri dish. Physical description: black-and-white negatives, 2.5X3.5m
Woman swabs petri dish. Physical description: black-and-white negatives, 2.5X3.5m