A test tube with spilled serum. Demonstration of the texture.
Test tubes tops in a tray close up
Two medical scientists hadling test tubes
Scientist examining plant in test tube in lab
Coronavirus test - Medical worker with test tube and swab swab for coronavirus
test tube with violet colored liquid isolated
Woman in laboratory, holding tray of test tubes
test tube with violet colored liquid isolated
Tick in a test tube in the laboratory. Selective focus.
A test tube with spilled serum. Demonstration of the texture.
Scientist examining liquid in test tube for research
Lovely curly girl with a test tube and marker.
The girl is holding a test tube with red hearts.
a woman in a mask and gloves holding a test tube
senior chemist with pipette and test tubes in laboratory
Test tubes and reagents to the lab. Selective focus.
test tubes, flasks and litmus papers on table
A test tube with spilled serum. Demonstration of the texture.
Surgeon holding a coronavirus blood test tube
A graduated pipette being inserted into test tube
Chemical laboratory test tubes with blue liquid
Empty laboratory test tubes isolated on white
Female doctor analyzing liquid in test tube
Embryologist works with biomaterial from a test tube
Nurse man holding blood in test tube.
Test tube with green liquid isolated on white
Scientist hand holding test tube in lab
Blood test tubes in lab close up
test tube with violet colored liquid isolated
Boy in lab coat holding test tube
