Πορτρέτο του χαμογελώντας επιστήμονας κρατώντας εργαστήριο σωλήνες με φυτά - Φωτογραφίες & Εικόνες Αρχείου

Strict proportions. Selective focus on a positive minded woman smiling while looking at a test tube and adding a chemical liquid in a lab.

Woman researcher is surrounded by medical vials and flasks, isolated on white

Young scientist in white uniform working in laboratory

Innovative cure. Selective focus of a new medicine being held by a cheerful positive female scientist while working in the lab

Young scientist in white uniform working in laboratory

Young scientist in white uniform working in laboratory

Concentrated scientist in eyeglasses working with test tubes in lab

Smiling woman scientist in protective workwear holding flask with reagent in lab

Side view of man scientist in eyeglasses looking at test tubes with reagents in lab

Portrait of concentrated woman scientist working in lab

Concentrated man teacher and girl student scientists working with molecular model in lab

Side view of young man scientist holding test tube with reagent in lab

Young man scientist in eyeglasses and white coat examining test tube in laboratory

Portrait of concentrated scientists looking at microscope slide in lab