Πορτρέτο του όμορφος επιστήμονας σε προστατευτικά γυαλιά που βλέπουν αντιδραστήριο κατά τη διάρκεια πειράματος που απομονώνονται σε λευκό - Φωτογραφίες & Εικόνες Αρχείου

Medical developments. Selective focus of a n experimental medicine being held by a positive cheerful woman while working in the medical lab

Portrait of scientist in protective glasses and gloves looking at chemical sample

Crucial research. Gorgeous pleasant male laboritorian putting on glasses while examining at sample and wearing gloves

High angle view of handsome scientist looking at test tube with blue reagent isolated on white

High angle view of handsome scientist looking at test tube with blue reagent isolated on white

Selective focus of handsome scientist looking at test tube with blue reagent isolated on white

Selective focus of handsome doctor pointing on brain model isolated on white

Handsome scientist wearing protective glasses and looking at microscope isolated on white

Selective focus of pensive and attractive dentist looking at x-ray

Cropped view of doctor picking up vaccine in syringe on white background

Handsome scientist looking at test tube with blue reagent

Selective focus of x-ray in hand on attractive dentist

Cropped view of doctor holding test tubes with blood samples on white background