Médecin examinant l'urine en laboratoire, gros plan - Photo & image de stock

Laboratory assistant taking test tube with urine sample for analysis from holder on table, closeup

A male chemist holds test tube of glass in his hand overflows a liquid solution of potassium permanganate conducts an analysis reaction takes various versions of reagents using chemical manufacturing.

Medical scientists have experimented with liquid chemicals in vitro to analyze viral data in chemical laboratories. Scientific research concepts.

Asian man scientist researching and learning in a laboratory.

Female scientist working at laboratory

Human hand holding flask on a blue background