Ключевые слова: assistant, blood, care, clean, clinic, doctor, emergency, equipment, filter, forceps, gloves, health, help, hospital, instrument, instruments for surgery, mask, medical, medicine, metal, nurse, open, open heart, operating room, operation, patient, procedure, professional, room, scalpel, science, scrub, set, steel, sterile, surgeon, surgeons, surgery, surgery center, surgical, table, therapy, tool, tray, treatment, tweezers, work,