Corrigendum to: Formalin-induced pain and μ-opioid receptordensity in brain and spinal cord are modulated by A1 and A2a adenosineagonists in mice: [Brain Research 956 (2002) 339–348]
a Institute of Psychobiology and Psychopharmacology, CNR, Viale Marx 15/43, 00137, Rome, Italy;b Department of Molecular Neuropharmacology, Institute of Pharmacology, Polish Academy of Sciences, Cracow, Poland