Εξαντλημένος αφροαμερικανός επιστήμονας που εξετάζει τον θολό ιατρικό εξοπλισμό στο εργαστήριο - Φωτογραφίες & Εικόνες Αρχείου

Side view of upset african american scientist looking at petri dishes in lab

Side view of tired scientist sitting near flasks and test tubes

Difficult working day. Pleasant nice Asian woman sitting at the table and closing her eyes while feeling tired after the working day

Scientist with napkin sneezing near medical equipment in laboratory

Diseased african american scientist holding napkin near nose beside colleague in lab

Young woman in biological laboratory. Attractive young female scientis. Scientist using a microscope in a laboratory

Scientist in white coat sitting near test tubes and blurred safety goggles in lab

Scientist in latex gloves using microscope near test tubes with samples in lab

Scientist in latex gloves and medical mask writing in notebook near test tubes and microscope

Side view of scientist in latex gloves using microscope near digital tablet with blank screen and equipment

Side view of scientist in white coat looking at test tube near medical equipment

Scientist in white coat holding blurred clipboard in lab

Scientist in goggles and medical mask looking at camera near test tubes and microscope

Young woman holding pipette with oil near fingernails

Smiling preteen girl in eyeglasses holding test tubes in laboratory