Figure 4
The visualization is a Sankey-style flow diagram structured in three vertical columns. In the “A U” column, a group of authors, including “rahman”, “alwan”, “huda”, “jansen”, “siddiqi”, “torres-rueda”, “vassall”, “baltussen”, “khalid”, “raza”, “zaidi”, and “zulfiqar”, all have flows merging into the primary descriptor “universal health coverage”. Below this group, “nolan” connects to the descriptor “equity”, while “danis” connects to both “health insurance” and “india”. At the bottom, “j r” connects to “international journal of health economics and management”. The descriptor “universal health coverage” has a massive flow into “social science and medicine”. The descriptor “health insurance” splits into several journals, primarily “international journal of health policy and management”, “value in health regional issues”, and “journal of community health”. The descriptor “equity” connects to “journal of community health”. “india” connects to the “european journal of health economics”. At the bottom, the descriptor “international journal of health economics and management” flows into the source “international journal of health-care finance and economics”.Three field Sankey plots. Source(s): Authors’ compilation using Biblioshiny