Uważny naukowiec patrząc na niebieską ciecz w probówce i zapisując wyniki w laboratorium - Materiał filmowy & wideo

Two serious scientists talking in laboratory near table with medical glassware

Scientist mixing chemicals in test tube with stirring rod and writing notes

Asian female medical research scientists in laboratory looking through a microscope.

Female chemist using tablet computer in laboratory

Two serious scientists talking in laboratory near table with medical glassware

Attentive scientist looking at transparent liquid in test tube and writing down results in laboratory

Beautiful scientist looking at red liquid in test tube and writing down results

Pretty, attentive scientists making research with microscope in laboratory

Selective focus of pretty scientist looking in microscope and talking to colleague in laboratory

Handsome scientist making analysis with microscope while attractive doctor typing on laptop