Figure 6 from: Himcheva I, Stavreva GTz, Naydenova E, Bocheva A (2022) Involvement of the opioidergic and nociceptinergic systems in the analgesic effects of novel nociceptin analogues after acute and chronic immobilization stress. Pharmacia 69(4): 935-942. https://doi.org/10.3897/pharmacia.69.e89379