Figure 3.

Number of hospital days per year by age and income in 2007 to 2009. Data: GSOEP 2007–2010 for age 18+, * KiGGS-Study 2003–06 for age < 18.

Kroll and Lampert BMC Health Services Research 2013 13:271   doi:10.1186/1472-6963-13-271
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