Validation of the Charlson comorbidity index in patients with operated primary non-small cell lung cancer
Open Access
- 1 January 2003
- journal article
- research article
- Published by Oxford University Press (OUP) in European Journal of Cardio-Thoracic Surgery
- Vol. 23 (1), 30-34
- https://doi.org/10.1016/s1010-7940(02)00721-2