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. 2012 Dec 20;13:257. doi: 10.1186/1471-2474-13-257

Figure 4.

Figure 4

Typical PDs from patients with somatoform-functional pain. Picture a-g show pain drawings of patients with a-g medically inexplicable pain syndromes. Somatoform-functional pain is typically associated with symmetric patterns, long lines, and a higher number of marks