Figure 1. Protocol design for each of treatment days. A = algesimetry, R = respiratory testing, VAS = visual analog scale; DS = digit symbol substitution test; OS = observer score. Vertical arrows signify times of blood sampling.
Figure 1. Protocol design for each of treatment days. A = algesimetry, R = respiratory testing, VAS = visual analog scale; DS = digit symbol substitution test; OS = observer score. Vertical arrows signify times of blood sampling.
