A middle aged researcher holding a test tube in her hand while working in the lab. - Stock Photo & Image

A smiling middle aged researcher recording her results on a tablet in the lab.

An executive middle aged medical assistant woman holding a test tube in her hand and preparing for medical lab test while sitting in front of microscope.

Shot of a middle aged scientist woman looking at camera and smiling while sitting at desk in front of microscope.

A middle aged researcher holding a test tube in her hand while working in the lab.

Smiling middle aged female research physician using digital tablet while sitting next to microscope and analyzing test datas in the lab.

Shot of a middle aged scientist woman using digital tablet while sitting at desk in front of microscope and working on new medical research.

A middle aged researcher holding a test tube in her hand while working in the lab.

A middle aged executive female scientist working in her lab.

Portrait of executive male dentist holding x-ray and discussing with beautiful female assistant.

Portrait of beauty specialist standing against white bakcground and holding in her hand a face cream jar.

Portrait of confident female specialist doctor holding in her hand a clipboard and smiling to the camera while standing against white background.

Studio shot of attractive female doctor looking at camera

Portrait of cute little girl dressed up in doctor attire posing.

Close-up portrait of a senior female doctor standing in the hospital.

Close-up portrait of senior female doctor standing in the hospital and smiling

Smiling female doctor looking at camera and smiling while standing with arms crossed at isolated grey background. Copy space.