title: [Medical classification in the DRG system. 2 Procedural key OPS-301 version 2.1].
authors.affiliation: bartkowski-berlin@t-online.de
authors.forename: R
authors.initials: R
authors.lastname: Bartkowski
mesh_terms: D003953:Diagnosis-Related Groups / Q000145:classification*; D004194:Disease / Q000145:classification*; D005858:Germany; D006801:Humans; D009313:National Health Programs; D013514:Surgical Procedures, Operative / Q000145:classification*
vernacular_title: Medizinische Klassifikation im DRG-System. 2. Prozedurenschlüssel OPS-301 Version 2.1.