Doctor put blood in tube in centrifuge for centrifugal plasmapheresis
doctor holding a test tube of blood and writing on a form
Doctor taking blood sample from patient
Microbiologist doctor taking a blood sample tube from rack with machines of analysis in the lab background. Doctors examining vaccine evolution using high tech researching diagnosis against covid19
Blood sample in micro tubes
extreme closeup of test tube of blood taken for a blood test
Technician opens a closed tube of blood
A woman holding a closed tube of blood
Doctor taking blood sample for sugar test, Diabetes check up
Close-up of test tube with blood test for virus. Creative. Thin tubes with blood for tests. Laboratory tests for virus in hospital