Técnico de laboratorio vertiendo líquido de prueba en el tubo, mirando la reacción, rata de laboratorio en la caja - Foto e imagen de stock

Scientist mixing test liquid in tube looking at reaction, lab rat sitting in box

Researcher developing new medication, white test rat in plastic box on lab table

Scientist examining test sample through microscope, new medicine development

Lab rat in plastic box on table, woman scientist mixing chemical liquids in tube

Female biologist preparing to test medicine on lab animal, vaccine development

Researcher conducting blood test at modern medical laboratory, health care

Researcher taking meat sample in petri dish from fridge and making injection

Worker of medical laboratory preparing glass for tests based on blood samples

Scientist checking tube with blood analysis and making notes, epidemic outbreak

Laboratory technician with tablet PC analyzing blood serum in test tube

Researcher opening refrigerator and dripping oily substance in yellow liquid