Drupal-Bibcite31<style face="normal" font="default" size="100%">Predicting Future Health Risk in COPD: Differential Impact of Disease-Specific and Multi-Morbidity-Based Risk Stratification</style><style face="normal" font="default" size="100%">Predicting Future Health Risk in COPD: Differential Impact of Disease-Specific and Multi-Morbidity-Based Risk Stratification</style>