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. 2014 Oct 24;9(10):e111269. doi: 10.1371/journal.pone.0111269

Figure 1. The tendency of the morbidity of erectile dysfunction (ED) along with age growth.

Figure 1

* X-axis stands for ages with 10 years range difference. * There are two Y-axes. On the left, the axis stands for the counts of ED or no-ED patients. As for the right one, it represents the morbidity of ED in different age brackets.