Afrikanischer Wissenschaftler mit Kopfhörern blickt in die Kamera in der Nähe von Fläschchen und Klemmbrett - Stockfoto & -bild

Smiling african american scientist in protective goggles looking at camera near microscope in lab

Glad therapeutist grabbing a blue tablet container at the bottom and raising it to show people

Professional equipment. Smart nice handsome man sitting at the table and holding a microscope while looking at the test tubes

Glass tube. Smart chemical worker feeling emotional while holding glass tube with new prominent vaccine

For analysis. Cheerful nice positive scientist in front of the microscope and taking a sample of liquid while doing biological analysis

Male researcher holding a test tube in the lab

Young african american doctor smiling at camera near colleagues working on blurred background

Young and cheerful african american doctor looking at camera on white

Middle aged african american doctor standing with clipboard

Smiling african american doctor with clipboard

Middle aged african american doctor in white coat

Middle aged african american doctor pointing on camera

Smiling african american doctor in white coat with stethoscope

Handsome scientist holding brain model and looking at microscope isolated on white

Smiling african american doctor holding eyeglasses and tablet in hands and looking at camera

Smiling african american doctor sitting at the table and holding smartphone

Handsome scientist looking at test tube with blue reagent isolated on white with medical symbols