Figure 1From: The PROTECCT-M study: a cohort study investigating associations between novel specific biomarkers, patient-related, healthcare system markers and the trajectory of COPD patients treated in primary care Schematic diagram of study. General practitioners working on Funen (500 000 inhabitants) were invited by the study nurse to participate in the PROTECCT-M study if they were using data capture (Figure 2).Back to article page