Técnico masculino maduro examinando la placa del microtítulo en laboratorio - Foto e imagen de stock

Mature male technician analyzing microtiter plate in laboratory

Close-up portrait of a male researcher holding flask with blue liquid in the lab

Middle aged scientist examining solution in test tube at laboratory

Keep concentration. Focused picture on male hands that holding pipette and piece of glass while going to do experiment

Something strange. Serious researcher wrinkling his forehead while looking at test tube and standing at his workplace

Mature male teacher analyzing chemical solution in test tube at science lab

A man looking through a microscope

Midsection detail of lab tech performing urine analysis in medical lab

Lab tech retreiving bag of red blood cells from blood bank in hospital

Dentist with suction hose, looking in patients mouth.

Female optometrist looking at phoropter.

Portrait of mature medical technician retreiving blood from hospital blood bank

Rear view of young male researcher using microscope in hospital laboratory

Portrait of mature male radiologist holding x-ray with colleagues in background

Portrait of lab tech standing in lab holding bag of frozen plasma