Αυξήσει τα φρύδια. Σοβαρή ξανθιά φορώντας μάσκα και προστατευτικά γυαλιά, κρατώντας πιπέτα ενώ Κοιτάζοντας μπροστά - Φωτογραφίες & Εικόνες Αρχείου

It is locking task. Competent scientist sitting at her workplace and using dropper while taking samples

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

Future breakthrough. Waist up shot of an adult woman wearing safety glasses using a pipette while taking a sample of a chemical substance.

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

Closeup.portrait of doctor biologist in the lab.photo with copy space

Be careful. Delighted brunette girl wearing uniform while working in laboratory

Young assistant. Attentive brunette woman wearing protective glasses while checking reagent

Pouring down. Attractive medical worker wearing white smock and blue rubber gloves bowing head while looking at test-tube

Biological tests. Selective focus of a test sample of the liquid being used in biological research

Professional studies. Cheerful positive joyful scientist smiling and taking a test tube out of the rack while doing biological studies

Sure hand. Concentrated researcher keeping his mouth opened and sitting at workplace while doing analysis.