APA (7th ed.) Citation

Crooks, C. J., West, J., & Card, T. R. (2015). A comparison of the recording of comorbidity in primary and secondary care by using the Charlson Index to predict short-term and long-term survival in a routine linked data cohort. BMJ Publishing Group.

Chicago Style (17th ed.) Citation

Crooks, Colin J., Joe West, and Timothy R. Card. A Comparison of the Recording of Comorbidity in Primary and Secondary Care by Using the Charlson Index to Predict Short-term and Long-term Survival in a Routine Linked Data Cohort. BMJ Publishing Group, 2015.

MLA (9th ed.) Citation

Crooks, Colin J., et al. A Comparison of the Recording of Comorbidity in Primary and Secondary Care by Using the Charlson Index to Predict Short-term and Long-term Survival in a Routine Linked Data Cohort. BMJ Publishing Group, 2015.