Ключевые слова: african, american, asking, biochemistry, biology, biotechnology, care, caucasian, clinic, closeup, conference, consultant, discussing, doctors, education, ethnicity, female, formula, group, health, health care, hospital, intern, learning, lecture, listening, male, medicine, meeting, mixed, multi, multiracial, national, occupation, practitioner, presentation, professional, questions, scrubs, staff, student, studying, talking, team, training, uniform, worker, working, writing,