A scientist holds a test tube on his fist.

---

Size: 2736px × 3648px
Photo credit: © YAY Media / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: analysis, analyzing, biology, biotechnology, body, chemical, chemist, chemistry, close, closeup, color, doctor, equipment, exam, glass, glove, h1n1, hand, hold, holding, horizontal, lab, laboratory, latex, liquid, medical, medicine, nurse, object, part, people, person, pharmaceutical, pink, red, research, sample, science, scientific, shot, solution, studio, substance, test, toxic, tube, tubing, vertical, white