Ключевые слова: background, biology, blood, blurred, busy, care, clean, clinic, defocused, doctor, donation, donor, drop, emergency, equipment, erythrocytes, expertise, group, health, hemostatic, horizontal, hospital, illness, intensive, iv, job, liquid, medical, medicine, occupation, operating, operation, organ, orthopedic, patient, preparation, professional, red, room, services, skill, surgeon, surgery, surgical, teamwork, thrombolytic, transfusion, urgency, ward, working,