nkotlyar
Close-up of blood test tubes for medical tests

StockYana
young scientist works with test tubes

DCStudio
Looking at test plants in tubes

DCStudio
African botanist researcher checking test tubes with dna test liquid

DCStudio
Female scientist works with test samples from tubes

DCStudio
Elderly research scientist using micropipette filling test tubes

DCStudio
Scientist nurse using micropipette for filling test tubes

DCStudio
Chemist nurse holding test tubes bringing to doctor

DCStudio
Biochemists nurse in protection suit bringing test tubes

Sofir
Types of coronavirus tests Animation. Test tube with blood and cotton swab for saliva kit.

nkotlyar
Young female scientist examining test tubes with blood samples

nkotlyar
Young female researcher examining test tubes with blood samples

nkotlyar
Two young female researchers working with blood test tubes

nkotlyar
Test tubes with blood samples at the medical laboratory

nkotlyar
Young female biologist examining two test tubes with blood

nkotlyar
Two healthcare researchers comparing blood samples in test tubes

StockYana
scientist works with test tubes at the working place

StockYana
scientist works with test tubes at the working place

natakotliar
A serious lab technician studies test tubes with assays

natakotliar
Serious laboratory assistant carefully examines test tubes with assays

DCStudio
Female researcher working with test tubes in modern laboratoy

DCStudio
Biochemistry researcher looking at plant samples in test tubes

DCStudio
Researcher in coverall holding test tubes with blood sample

DCStudio
African laboratory scientist working at lab with test tubes

DCStudio
Elderly man scientist using micropipette for filling test tubes

DCStudio
Team of medical researcher conducting experiments using test tubes

DCStudio
Elderly doctor writing on pc datas from test tubes

DCStudio
Scientist in protection suit using micropipette filling test tubes

DCStudio
Researcher in coverall testing liquid sample using test tubes

DCStudio
Scientist in coverall examining blood test tubes at laboratory

DCStudio
Laboratory scientist working in modern lab with test tubes

MVP
Blood tube with negative test rotating

dugulan
Closeup of doctor hand with surgical glove checking blood test tubes from a rack full of test tubes. Pandemic, COVID-19 testing concept.

VadosLoginov
Chemist engineer holding flasks adding liquid to test-tubes with.

nkotlyar
Attractive female chemist and her assistant working with test tubes

nkotlyar
Beautiful female researcher comparing two test tubes with blood samples

DCStudio
Close up of blue fluid in test tubes making smoke

DCStudio
Scientists in protection suits analysing test tubes with blood sample

DCStudio
Chemist in protection suit bringing test tubes in steril laboratory

DCStudio
Chemist in ppe suit using micropipette for filling test tubes

DCStudio
Close up handheld footage of female scientist doing scientific test with blue liquid from test tubes

DCStudio
Scientist woman pipetting liquid to test tube

DCStudio
Scientist woman pipetting liquid to test tube

nkotlyar
The doctor wearing special laboratory glasses examines test tubes with blood

DCStudio
Close up shot of biotechnologist desk with test tubes and samples

DCStudio
Doctor dictating to nurse virus results informations looking on test tubes

DCStudio
Vertical video: Researcher in coverall holding test tubes with blood sample

manaemedia
Blood test tube with COVID 19 Coronavirus disease for virus test and research

DCStudio
Viorolog researcher examining blood sample from test tube

DCStudio
Senior scientist woman pipetting liquid to test tube