Científico examinando la muestra de prueba a través del microscopio, desarrollo de nuevos medicamentos - Foto e imágenes de stock

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

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

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

Scientist sitting at table, test rat in plastic box, medicine testing on animals

Researcher pouring blue chemical liquid on microscope glass, test rat in box

Selective focus of white mouse in petri dish near veterinarian in latex gloves and microscope

Scientist monitoring rat behavior after experiment, animal testing, development

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

Researcher conducting blood test at modern medical laboratory, health care

Laboratory assistant taking drop of blood to detect antibodies and infections

Chemical lab developing new substance for production of household chemicals

Lab technician preparing glass with biochemical substance for examination