Laboratoriossa työskentelevä tiedemies ja opiskelija. Lääkäri opettaa harjoittelijoita tekemään analyysejä. Laboratoriotyökalut: mikroskooppi, koeputket, laitteet. Biotekniikka, kemia, bakteriologia, virologia, DNA - Kuvapankin valokuva ja kuva

Scientist working in lab. Doctors making medical research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, science, experiments and healthcare concept. Day light and

Scientist working in lab. Doctors making medical research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, science, experiments and healthcare concept. Day light and

African-american Medical doctor working in research lab. Science assistant making pharmaceutical experiments. Laboratory tools: microscope, test tubes, equipment. Chemistry, medicine, biochemistry

African-american scientist working in lab. Doctor making microbiology research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, bacteriology, virology, dna and health

Scientist working in lab. Doctors making medical research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, science, experiments and healthcare concept. Day light and

African-american scientist working in lab. Male doctor making microbiology research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, bacteriology, virology, dna and

African-american scientist working in lab. Male doctor making microbiology research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, bacteriology, virology, dna and

Scientist working in lab. Doctors making medical research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, science, experiments and healthcare concept. Day light and

Archaeologist working in natural research lab. Laboratory assistant cleaning animal bones. Archaeology, zoology, paleontology and life science concept.

Archaeologist working in natural research lab. Laboratory assistant cleaning animal bones. Archaeology, zoology, paleontology and life science concept.

Archaeologist working in natural research lab. Laboratory assistant cleaning animal bones. Archaeology, zoology, paleontology and life science concept.

Scientist working in lab. Asian doctor making medical research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, science, experiments and healthcare concept. Day light

Asian scientist working in lab. Doctor making microbiology research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, bacteriology, virology dna and health care concept

Archaeologist working in natural research lab. Laboratory assistant cleaning animal bones. Archaeology, zoology, paleontology and life science concept.

Asian scientist working in lab. Doctor making microbiology research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, bacteriology, virology dna and health care concept