front view of experimental test tubes filled with transparent blue substance and marked as bio hazardous, against a blue gradient background

- Image ID: D9WEWP
front view of experimental test tubes filled with transparent blue substance and marked as bio hazardous, against a blue gradient background
Science / Alamy Stock Photo
Image ID: D9WEWP
front view of experimental test tubes filled with transparent blue substance and marked as bio hazardous, against a blue gradient background