The impact of DRGs on clinical research centers. A multi-institutional study.
D002986:Clinical Trials as Topic / Q000191:economics*; D003953:Diagnosis-Related Groups; D016027:Heart Transplantation; D006801:Humans; D007350:Insurance, Hospitalization / Q000191:economics*; D006278:Medicare / Q000191:economics; D011445:Prospective Payment System / Q000191:economics