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. 2020 Jan 8;13:17–24. doi: 10.2147/JPR.S213820

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© 2020 Kfoury et al.

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(A) Injection sites of carrageenan in the abdominal wall. Carrageenan or saline was injected at a point 1/3 from midline on the bisector of the angle formed by the intersection between the line joining the two anterior superior iliac crests (horizontal line, mark 3) and the linea Alba (mark 1). (B) Landmarks for the parietal abdominal nerve block; Spine, ribs and vertebrae (T5, T10, L1, L4 and S1) are marked with a pen.