Männlich Laborant Techniker Wissenschaftler Arzt hält Reagenzglas isoliert auf weiß - Stockfoto & -bild

Male lab researcher technician scientist doctor holding test tube looking suspicious isolated on white

Male lab researcher technician scientist doctor holding test tube isolated on white

Young man with protective mask holding a test tube with blood sample

Male lab researcher technician scientist doctor holding test tube isolated on white

Young man with protective mask holding a test tube with blood sample

Young doctor in a protective mask and gloves holds a coronavirus test in his hands

Closeup of beautiful friendly female doctor wearing a mask holding an injection isolated on white

Beautiful friendly female doctor wearing a mask holding an injection isolated on white

Young beautiful female doctor wearing a mask with hand on chin isolated over white background

Young beautiful female biologist experimenting with tomato in lab concept of genetically modified food

Young pretty female doctor wearing a mask and holding stethoscope isolated on white

Closeup headshot nurse wearing bouffant cap and facial mask holding up syringe, blood sample on slide glass for camera.

Closeup portrait of young female biologist wearing mask experimenting with red flower in lab

Young beautiful female doctor wearing a mask crossing arms isolated over white background

Closeup of a handsome smiling young man, receiving facial cosmetic treatment injections in his nose, doctors hand with glove holding syringe and wearing a medical hat wearing a surgery hat.