TY - GENERIC DO - 10.20944/preprints202001.0138.v1 UR - http://dx.doi.org/10.20944/preprints202001.0138.v1 TI - The Endogenous Opioid System in Schizophrenia and Treatment Resistant Schizophrenia: Increased Plasma Endomorphin 2, and κ and μ Opioid Receptors are Associated with Interleukin-6 T2 - Preprints AU - Moustafa, Shatha Rouf AU - Al-Rawi, Khalid F. AU - Al-Dujaili, Arafat Hussein AU - Supasitthumrong, Thitiporn AU - Al-Hakeim, Hussein Kadhem AU - Maes, Michael PY - 2020 DA - 2020/01/13 PB - Preprints