A hand with blue medical gloves mixing some chemicals in a test tube
Pipette adding fluid to one of several test tubes medical glassware
In the laboratory, a woman in a Bathrobe and gloves sets human cell samples in test tubes in a centrifuge to untwist and separate the extra layers of cells. Opens the lid and pulls out the test tubes
Medical Chemist Analyzing Test Tube with Blue Liquid in Protective Suit
Pouring sterile liquid into the small container in the operating room. Action. Team of medical workers.
Bioengineer shook head no while looking at test tube with colorless liquid isolated on white background. Medical worker analyzes liquid in laboratory test tube. Negative test result in scientific lab