[Extension of the ICD-9-CM classification of surgical interventions].
Estrada
J A
JA
Guix
J
J
Puig
P
P
Brull
D
D
D006801:Humans; D013514:Surgical Procedures, Operative / Q000145:classification*; D009626:Terminology as Topic; D014944:World Health Organization
Ampliación de la codificación de intervenciones quirúrgicas ICD-9-CM.