Mulher cientista segurando rato de laboratório, desenvolvimento de medicina, testes em animais - Banco de fotos e imagens

Lab worker studying rat through magnifying glass, experiment results control

Lab worker screening rat behavior after experiment, illegal animal testing

Scientist watching rat reaction after experiment, filling data in online report

Epidemiologist in protective mask playing with lab rat, monitoring reaction

Researcher holding pills and rat, pharmacological experiments, health treatment

Scientist holding bottle with white powder and rat, illegal drug laboratory