Hombre científico en guantes protectores sosteniendo tubo de ensayo con reactivo - Foto e imagen de stock

Concentrated chemist in protective gloves making experiment in lab

Young male chemist with test tube in hands

Little drop. Serious practitioner looking forward and holding hands on the foreground while keeping little glass in left hand

Medical treatment. Test tube wit blood sample being studied by nice professional smart researchers

Side view of chemist making experiment in laboratory

Portrait of serious scientist working with laboratory tube

Side view of serious scientist examining laboratory tube

Man scientist in white coat working with microscope in lab

Portrait of focused man scientist in protective glasses writing in notepad

Close up of woman scientist in protective glasses working in lab

Man scientist in white coat looking at test tube with reagent in lab

Concentrated man scientist working with microscope and taking notes in lab

Side view of concentrated scientist working with microscope