Figure 1.

Density equalizing mapping of full professorships/chairs in relation to single German states in 2008. Cardiology (A) vs. Respiratory Medicine (B). Greyscales encode number of professorships per state.

Groneberg-Kloft et al. International Journal of Health Geographics 2008 7:48   doi:10.1186/1476-072X-7-48
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