DOI: 10.1055/s-00000001

AINS - Anästhesiologie · Intensivmedizin · Notfallmedizin · Schmerztherapie

References

Owens WD, Felts JA, Spitznagel ELJ.
ASA physical status classifications: a study of consistency of ratings. 
Anesthesiology 1978; 49: 239-243  

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