USRDS research studies.
D001706:Biopsy; D003625:Data Collection / Q000592:standards; D016208:Databases, Factual; D003953:Diagnosis-Related Groups; D004921:Erythropoietin / Q000627:therapeutic use; D005260:Female; D006801:Humans; D007668:Kidney / Q000473:pathology; D007676:Kidney Failure, Chronic / Q000453:epidemiology; D008297:Male; D010538:Peritonitis / Q000453:epidemiology; D012106:Research; D014481:United States / Q000453:epidemiology
D004921:Erythropoietin