Tutkija sekoittamalla testi neste putki tarkastellaan reaktio, lab rotta istuu ruutuun - Kuvapankin valokuva ja kuva

Lab technician pouring test liquid in tube, looking at reaction, lab rat in box

Scientist examining test sample through microscope, new medicine development

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 with rat at table in chemical laboratory, closeup. Animal testing

Lab researcher working at microscope, rat in plastic box on table, testing

Medical lab assistant taking genetic material for examination on paternity

Practitioner doing bacteriological analysis of blood at laboratory, close-up

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

Lab worker putting medical blood sample in place after examining for sediments