A collection of four test tubes each with a particular human blood group

---

Size: 5000px × 3533px
Photo credit: © Alan Cotton / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: ab, ample, analysis, analyzing, art, artwork, blood, chemical, chemistry, container, dna, drawing, equipment, examination, experiment, flask, flasks, glass, glassware, graphic, group, hospital, isolated, lab, laboratory, liquid, macro, medical, medicine, pharmaceutical, pharmacy, preparation, red, research, sample, samples, science, scientific, substance, test, treatment, tube, tubes, vector, vectors, vial, vials