Do preoperative psychological condition and μ1-opioid receptor gene polymorphism 118a>g affect opioid analgesia efficacy after major urological surgeries?

Journal of Education, Health and Sport, Tom 3, Numer 10 (2013) s. 605-612
A.V. Boiarkina, A.L. Potapov, A.A. Babanin, S.A. Pivovarenko, I.E. Fedosov, I.V. Skoritskiy