Bakteriolog analiza okazy mikrobiologiczną, próbki krwi, test na Hiv - Materiał filmowy & wideo

Close-up of Asian male scientist in white uniform holding laboratory flask with red chemical solution. Chemistry, Science, Biological, Toxicology, Research and Development concept

Modern medical laboratory conducting research of blood, experts at work

Mixed race scientist doing chemical experiment at laboratory, holding tube

Lab assistant marking tube with blue detergent sample, washing substance test

Doctor Nurse Woman Wearing Protective Mask and Latex Gloves - Working with Blood Test Tube Rack

Modern medical laboratory conducting research of blood, experts at work

Mixed race scientist doing chemical experiment at laboratory, holding tube

Lab assistant marking tube with blue detergent sample, washing substance test

Chemist marking tube with black substance, examining soil solution, fertility