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. 2017 Apr 20;5:23. doi: 10.1186/s40635-017-0137-2

Fig. 1.

Fig. 1

Randomization of animals to experimental groups. Animals were randomized within the short term and within the long term group. Grey background: groups receiving nalbuphine; bold font: septic groups. Asterisk (*): nalbuphine concentration at 15 min measured in plasma samples from short-term group