20-24 years, 30-34 years, african ethnicity, arms raised, authority, clinic, co-worker, color image, concentration, consultation, copy space, corridor, curiosity, day, diagnosing, doctor, enjoying, examining, expertise, explaining, eyeglasses, folder, healthcare, holding, hospital, illness, indoors, lab coat, laughing, lifting, listening, looking, lungs, man, medical, medical chart, meeting, mid adult, mid adult men, occupation, people, photography, problem, profile, reviewing, showing, smiling, standing, talking, teamwork, three quarter length, treatment, two people, vertical, window, woman, x-ray, young adult, young women, 2, 20's, 20-25, 20-30, 20s, 25-30, 30's, 30-35, 30-40, 30s, 35-40, accessory, adult, african, african american, african-american, afro american, afro-american, appreciating, arm, associate, black, chatting, colleague, color, colour, communicating, communication, concentrating, conference, conversation, conversing, cooperation, curious, daylight, daytime, dialog, dialogue, discussing, displaying, doc, enjoyment, evaluating, exhibiting, eye-glasses, fellow, female, gal, gathering, general practitioner, gentleman, glasses, guy, hall, hallway, health-care, healthcare professional, healthcare worker, hearing, human, human being, ill, indoor, inside, interest, issue, lady, laughter, lifter, listener, male, md, medic, medical care, medical science, negative space, of african descent, passageway, person, physician, picking up, pleasing, pleasure, power, radiology, raised, raising, relishing, scrutinizing, sick, sickness, side view, side-view, smile, speaking, specs, spectacles, talker, team, thirties, thirty, three-quarter length, twenties, twenty, two, white coat, white space, women,