Μια αρσενική ιατρική ή επιστημονική ερευνητής ή γιατρός να ψάχνει σε ένα δοκιμαστικό σωλήνα διαυγούς υγρού σε ένα εργαστήριο μαζί μικροσκόπια και η γυναικεία ομάδα του πίσω από τον - Φωτογραφίες & Εικόνες Αρχείου

A male medical or scientific researcher or doctor looking at a test tube of clear liquid in a laboratory with microscopes and his female colleagues behind him

A Chinese Asian female medical or scientific researcher or doctor using a microscope in a laboratory with her colleague out of focus behind her.

A Chinese Asian female medical or scientific researcher or doctor using looking at a test tube of clear liquid in a laboratory with her colleagues out of focus

A Chinese Asian female medical or scientific researcher or doctor using looking at a test tube of clear liquid in a laboratory with her colleague out of focus b

A blond female medical or scientific researcher or doctor using her microscope in a laboratory with her colleague out of focus behind her.

A blond medical or scientific researcher or doctor using looking at a clear solution in a laboratory with her Asian female colleague out of focus behind her.

A Chinese Asian female medical or scientific researcher or doctor using looking at a test tube of clear liquid in a laboratory with her colleague out of focus b

A male medical or scientific researcher or doctor looking at a test tube of clear liquid in a laboratory with microscopes.

A female medical or scientific researcher or doctor looking at a test tube of green solution in a laboratory.

A blond female medical doctor or scientific researcher using her microscope in a laboratory.

A Chinese Asian female medical or scientific researcher or doctor using looking at a test tube of clear liquid in a laboratory with her colleague out of focus b

Female medical or scientific researcher, scientist or doctor using her microscope in a laboratory with her colleague out of focus behind her.

A female medical or scientific researcher or scientist using a pipette and flask in a laboratory with her colleague behind her

A female medical or scientific researcher or woman doctor looking at a test tube of clear solution in a laboratory with her microscope beside her.

A female medical or scientific researcher or doctor looking at a liquid clear solution in a laboratory.