Presionando los labios. Trabajador médico muy atento con gafas protectoras trabajando en el laboratorio mientras hace el experimento - Foto e imágenes de stock

Close your mouth. Delighted scientist holding medicine dropper in right hand and glass holder in left hand while looking downwards

The smart way is the efficient way. a young scientist using a digital tablet while conducting medical research in a laboratory

Cropped shot of a focused young female scientist wearing protective glasses while pouring a test sample into a vile inside of a laboratory.

Professional medical researcher working in the laboratory, he is examining samples

Medical female scientist looking under microscope, doing analysis of test sample, ambitious biotechnology specialist working in laboratory.

Nice results. Alert experienced scientist working with a microscope and holding a tube

Serious man. Confident scientist pressing lips and keeping medicine dropper while mixing reagents

Take some drops. Pretty woman in rubber gloves holding medicine dropper in left hand while looking downwards and keeping smile on face

Woman and man scientists in lab coat making notes after doing sample test in laboratory, professional worker analyzes received data together.

Busy technician. Technician in blue gloves pouring blood sample into the test tube and looking concentrated

Young female and male scientists using pipette with test tube in medical science laboratory, researching medical sample blue liquid together.

Professional woman scientist working on vaccine in modern scientific research laboratory, genetic engineer workplace. Future technology and science.