科学者や医師のラック、研究概念で採血管に血液をドロップ - ストックフォト＆画像

Scientist hand dropping the sample substance into the test tube rack in lab. science research concept

Microscope surrounded by blood test tube and sample compound tube in lab. laboratory research concept

Scientist or doctor dropping a blood into blood test tube in rack , research concept

Chemist,scientist hand dropping chemical liquid into test tube, science research and development concept

Chemist,scientist hand pick up test tube from rack in laboratory background, science research and development concept

Chemist,scientist hand pick up and dropping chemical liquid into test tube, science research and development concept

Chemist,scientist hand pick up and dropping chemical liquid into test tube, science research and development concept