Service and values.
D003132:Commerce; D003220:Conflict, Psychological; D003695:Delivery of Health Care; D004501:Education, Medical; D006801:Humans; D007221:Industry; D008511:Medicine; D009014:Morals; D012106:Research; D012919:Social Behavior; D012922:Social Change; D012924:Social Conditions; D012945:Social Values; D014481:United States