many test tubes with blood being tested

---

Size: 5184px × 3456px
Photo credit: © Teerawut Masawat / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: analysis, bar, blood, code, examination, group, grouping, haemal, haematic, hold, label, laboratory, line, mark, medicine, plug, probe, rest, row, sample, sampling, sanguineous, specimen, sticker, test, tray, tube, typing, vial