Vědci v laboratoři nebo lékař drží stetoskop k poslechu srdce bije srdce. Koncepce: nemoc, léčba srdečních záchvatů, věda, futuristické, srdce a věda. - Stock fotografie a obrázky

A doctor or scientist in the lab is holding a stethoscope to listen to heart beats of the heart. Concept: disease, cure heart attacks, science, futuristic, heart and science.

A doctor or scientist in the lab is holding a stethoscope to listen to heart beats of the heart. Concept: disease, cure heart attacks, science, futuristic, heart and science.

A doctor or scientist in the lab is holding a stethoscope to listen to heart beats of the heart. Concept: disease, cure heart attacks, science, futuristic, heart and science.

Close up portrait of a surgeon or doctor with mask and headset ready for operation in hospital or clinic. The surgeon smiles safe and proud of himself. Concept of medicine, hospitals and doctors, care

Close up portrait of a woman surgeon or doctor with mask ready for operation in hospital or clinic.

A portrait of a doctor or surgeon in a medical mask, a respirator, a stethoscope, in a hospital or a clinic. Concept: the first medical help, to help treat people, operations, doctors, hearts, lungs.

Close up portrait of a surgeon or doctor with mask and headset ready for operation in hospital or clinic. The surgeon smiles safe and proud of himself. Concept of medicine, hospitals and doctors, care

Close up portrait of a surgeon or doctor with mask and headset ready for operation in hospital or clinic. The surgeon smiles safe and proud of himself. Concept of medicine, hospitals and doctors, care

A portrait of a doctor or surgeon in a medical mask, a respirator, brown eyes, a surgical cap, in a hospital or a clinic. Concept: the first medical help, help treat people, surgery, health, doctors.