Profesionální vědci dělají ziku test. Žena drží baňku s tekutinou - Stock fotografie a obrázky

Close up of hands of skillful female researcher pouring sample into the flask. She is wearing sterile gloves

Professional female researcher is making experiments with human blood. She is holding a flask and looking at it with seriousness. The woman is standing in profile with mask and eyeglasses

Close up of scientist looking in microscope while sitting at the table with test tubes and bottle of pills stock photo

Serious young scientist is examining sample of yellow liquid. She is holding a medicine dropper and glass tube

Cheerful female scientist is analyzing sample with seriousness in laboratory. She is sitting at then desk near documents and holding the tube

Close up of young woman hands in sterile gloves holding blood test tube stock photo. Website banner

Cheerful female scientist is examining human blood with concentration in laboratory. She is holding a glass pipette and flask. The woman is sitting at the desk. Focus on sample

Close up of arms of female laboratory assistant making tests of human blood. The woman is taking liquid from the flask with pipette. She is sitting at the table