[Geriatrics and DRG: status at the beginning of 2003].
Borchelt
Wrobel
Pientka
Steinhagen-Thiessen
E
E
D000368:Aged; D003953:Diagnosis-Related Groups / Q000145:classification*; D005853:Geriatrics; D005858:Germany; D006801:Humans; D009313:National Health Programs; D011785:Quality Assurance, Health Care; D012955:Societies, Medical