Science, chemistry, biology, medicine and people concept - close up of young male scientist holding test tube with blood sample research in clinical laboratory - Stock fotografie a obrázky

HIV test, AIDS, with place for text. The doctor holds in his hand a test tube with blood. Medical concept.

2019-nCoV. Scientist doctor looking at the scientific sample in the laboratory is researching vaccine of Coronavirus. Doctor holding coronavirus covid-19 blood sample tube

2019-nCoV. Scientist doctor looking at the scientific sample in the laboratory is researching vaccine of Coronavirus. Doctor holding coronavirus covid-19 blood sample tube

Focus on test tube with blood being held and checked by doctor.

Focus on test tube with blood being held and checked by doctor.

Science, chemistry, biology, medicine and people concept - close up of young female scientist holding test tube with blood sample making research in clinical laboratory

Doctor in blue gloves holds a medical syringe for injection

Science, chemistry, biology, medicine and people concept - close up of young female scientist holding test tube with blood sample making research in clinical laboratory

Human biological time. The doctor holds an hourglass in his hands that measures time. The concept of pregnancy, childbirth.

Science, chemistry, biology, medicine and people concept - close up of young female scientist holding test tube with blood sample making research in clinical laboratory

Science, chemistry, biology, medicine and people concept - close up of young female scientist holding test tube with blood sample making research in clinical laboratory

Science, chemistry, biology, medicine and people concept - close up of young female scientist holding test tube with blood sample making research in clinical laboratory.