Być ciężkie. Uprzejmy człowiek w latach marszczenie czoła i usta naciśnięcie podczas koncentruje się na swojej pracy - Zdjęcie stockowe & obraz

Examining reaction. Very attentive technician pressing lips and doing blood analysis while sitting in semi position

Professional lab. Smart experienced male scientist sitting at the table and looking at the test tube while working on his research

Scientific studies. Nice serious smart scientists sitting together and focusing on their work while testing a new vaccine

Modern lab. Delighted woman wearing white smock and keeping smile on face while looking downwards

Profile photo. Serious man in age sitting in semi position holding test-tube in both hands while going to do analysis

Doing complex research and pharmaceutical

Analysing work. Grey-haired wrinkled researcher discussing genetics with a pretty blond young scientist while being in the lab and another researcher working with a microscope in the background

Test tube. Pretty woman wearing medical uniform and looking at reagent in reservoir

Look here. Amazing young researcher bowing her head and looking downwards while standing near her assistant

Patients records. Waist up of skilled research assistant smiling at you while using hospital computer and wearing green gloves

Friendly atmosphere. Cheerful researcher keeping smile on her face while looking at screen of computer

At work. Concentrated experienced laboratory workers using modern equipment while checking patients analyses

Attention. Waist up of concentrated skilled laboratory assistant using computer and pointing at screen while searching patients records

Checking result. Beautiful woman keeping smile on her face while standing at her workplace

Have idea. Creative medical worker keeping smile on his face while looking at test tube