APA (7th ed.) Citation

Ly, K., Wakefield, D., & ZuWallack, R. The usefulness of Charlson Comorbidity Index (CCI) scoring in predicting all-cause mortality in Outpatients with Clinical Diagnoses of COPD. SAGE Publishing.

Chicago Style (17th ed.) Citation

Ly, Kevin, Dorothy Wakefield, and Richard ZuWallack. The Usefulness of Charlson Comorbidity Index (CCI) Scoring in Predicting All-cause Mortality in Outpatients with Clinical Diagnoses of COPD. SAGE Publishing.

MLA (9th ed.) Citation

Ly, Kevin, et al. The Usefulness of Charlson Comorbidity Index (CCI) Scoring in Predicting All-cause Mortality in Outpatients with Clinical Diagnoses of COPD. SAGE Publishing.