Fig. 5From: Natural language processing and network analysis in patients withdrawing from life-sustaining treatments: a retrospective cohort studyNetwork analysis of drugs of the late referral group. The size of each dot indicates the frequency of each medical term. The lines indicate at least a moderate co-occurrence (co-correlation ≥ 0.5). For visualization, if the co-occurrence was stronger, the line was drawn thicker and the blue color deeperBack to article page