Стоматолог с ассистентом чистки зубов пациенту в стоматологическом кабинете - Стоковое видео

Scientist works in laboratory, developing a vaccine for coronavirus treatment. 4K

Female scientist working in laboratory

Microbiological laboratory work with tests HD

Scientific police examining and making photos of a bullet cap in ballistic Laboratory

Scientist in blue medical gloves and uniform working with samples and microscope in laboratory.