Tutkija, jolla on pipetti ja pullo ja joka tekee testejä tai tutkimuksia kliinisessä työvälineessä - Kuvapankin valokuva ja kuva

Scientists hold a glass tube filled with blue chemical liquid for research and analysis in a laboratory.

Young scientist making chemical tests in laboratory

Scientists are carrying blue chemical test tubes to prepare for the determination of chemical composition and biological mass in a scientific laboratory, Scientists and research in the lab Concept.

Female scientist with pipette and flask making test or research in clinical laboratory

Hand of worker placing test tube in holder

Professional female scientist is examining medical sampl

Molecule model and test tubes at the la

Serious female chemical technician holds test tubes with red liqui