Esteja atento. Trabalhador médico maduro alegre olhando para o microscópio enquanto testava novos equipamentos - Banco de fotos e imagens

My workplace. Attentive senior man sitting at his workplace while doing chemical experiment

Protective gloves. Serious grey-haired man sitting in semi position and doing chemical experiment

Science, laboratory and senior man with microscope for research, medical study and analytics. Healthcare, biotechnology and old scientist with sample for experiment, vaccine development and medicine.

Have idea. Cheerful bearded man wearing medical uniform and reading article online

Medical worker. Professional medical worker wearing uniform while examining reagents

Professional scientist working in the laboratory, medical research concept

Close up. scientist conducts research in the laboratory. science and health protection.

Medical discovery. Delighted grey-haired bearded lab assistant pressing lips while sitting in semi position and looking at screen of his laptop

Complete this task. Serious male person closing right eye and putting hand on table while working at important project

Need to think. Competent bearded lab worker wrinkling forehead and pressing lips while looking at computer

No right for a mistake. Mature gentleman focusing his attention on a screen of a laptop while sitting in a laboratory and analyzing samples under a microscope.

Let me check. Attentive brunette in face mask looking at test-tube leaning his right hand on the table while sitting in semi position

Preparation for analysis. Good-looking happy smiling woman scientist wearing a uniform and glasses and holding a marker while being in the lab

Curious chemists. Hard-working chemists feeling rather curious while waiting for the results of sensational research

Show it to me. Serious male person wrinkling forehead while looking at formula