There are multiple definitions:

1. astma-COPD overlapsyndroom(Dutch)

   • COPD
   • Respiratory system, Asthma
   • https://www.hen… in de praktijk

2. asthma-COPD overlap syndrome(English)

   • some individuals share characteristics of asthma and chronic obstructive pulmonary disease, and the syndrome has been defined as symptoms of increased variability of airflow in association with an incompletely reversible airflow obstruction
   • COPD
   • Asthma, Pulmonology
   • https://doi.org…000000000000118