The missing evidence.
D003933:Diagnosis; D004470:Economics, Medical; D005251:Fees, Medical; D006761:Hospitals; D006801:Humans; D007182:Income; D008136:Longevity; D010686:Philosophy, Medical; D010817:Physician-Patient Relations; D010820:Physicians / Q000600:supply & distribution*; D012936:Social Medicine; D013222:State Medicine; D014481:United States