Mature doctor examining a document - Stock Photo & Image

Positive senior doctor checking a paper

Portrait of senior scientist in the lab

Senior doctor reading medical record

Microbiologist in office working on sample

Elderly scientist using machine on laboratory

Portrait of confident senior doctor

Senior male researcher carrying out scientific research in a lab

Medical technologist in the laboratory

Portrait of man in professional laundrette

Mature male student holding a flask in lab

Dentures and man male

Cheerful female optician is examining human eyes

Medical researcher working the lab

Man doing research in a lab

Portrait of senior male in white jacket

Production manager in the factory

Senior scientists working in lab