Substances and their administration
Vortioxetine (Brintellix®, Lundbeck, Valby, Denmark) and duloxetine (Taita®, Hemofarm AD, Vršac, Serbia) were suspended in distilled water and administered by oral gavage in a volume of 2 mL/kg body weight. MIA (Sigma-Aldrich Chemie GmbH, Munich, Germany) was dissolved in saline immediately before intra-articular injection. Sevoflurane (Sevorane®, Aesica Queenborough Limited, UK) was administered by inhalation.