Ключевые слова: aid, blood, blue, bone, clinic, clinical, disease, doctor, equipment, gloves, hands, health care, hospital, incision, injured, instrument, job, knee, kneecap, knife, lifestyle, medic, medical, medicare, medicine, nurse, operate, operation, orthopedics, pain, patient, people, person, procedure, professional, scalpel, scientist, specialist, sterile, surgeon, surgery, surgical, teamwork, technology, tool, tweezers, uniform, urgency, worker,