Morphine Analgesia, Cannabinoid Receptor 2, and Opioid Growth Factor Receptor Cancer Tissue Expression Improve Survival after Pancreatic Cancer Surgery

VECERA, L., P. PRASIL, J. SROVNAL, E. BERTA, M. VIDLAŘOVÁ, T. GABRHELIK, P. KOUŘILOVÁ, M. LOVEČEK, P. SKALICKÝ, J. ŠKARDA, Z. KALA, P. MICHALEK, M. HAJDÚCH