Figure 1. (a) Box plots of kynurenine, (b) tryptophan and (c) kynurenine/tryptophan ratio for collum femoris fracture, intertrochanteric fracture, and healthy control groups. Kyn: Kynurenine; Trp: Tryptophan; Kyn/Trp: Kynurenine to tryptophan.
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