Des chimistes souriants font des expériences avec des réactifs et discutent du travail en laboratoire - Photo & image de stock

Cheerful team of scientists discussing and examining a test tube with sample

Cheerful scientist in white coat talking and laughing in chemical laboratory

Professional team of scientists in white coats smiling and talking in laboratory

Concentrated chemists doing experiments with reagents and discussing work in laboratory

Smiling woman scientist looking at the tube with the results of the analysis.photo with copy space

Smiling bearded scientist looking at colleague working with microscope

Back view of scientists in white coats looking at tube with reagent in laboratory

Side view of scientists in eyeglasses with tube with reagent in laboratory

Scientific researchers in white coats and eyeglasses with flasks and notepad in laboratory

Scientists in white coats and goggles working with reagents and microscope in laboratory

Scientist in white coats near board for notes having discussion during work in lab

Scientists in white coats and goggles working with reagents and microscope in laboratory

Portrait of scientific researchers in lab coats with digital tablet in laboratory

Selective focus of scientists in medical masks and goggles looking through microscopes on regents in lab