AN, AT, BACKGROUND, BSIP, CHASSENET, COOPERATION, DIAGNOSTIC, DIALOGUE, DOCTOR, DOCTORS, EXAMINATION, HEALTH, HOSPITAL, HUMAN, IMAGERY, KNEE, LIMB, LOOKING, LOWER, MALE, MEDICAL, MEDICINE, NURSE, PERSON, PERSONNEL, PLAIN, PROFESSIONAL, RADIOGRAPHY, RADIOLOGIST, RESULT, SCIENTIFIC, SPECIALIST, STAFF, TWO, X-RAY,