Labs test positive for profits.
D003132:Commerce; D006739:Hospital Administration; D006754:Hospital Restructuring; D006801:Humans; D007182:Income; D007755:Laboratories, Hospital / Q000191:economics*; D010824:Physicians' Offices / Q000331:legislation & jurisprudence; D019966:Substance-Related Disorders / Q000175:diagnosis; D014481:United States