TY - GENERIC DO - 10.20944/preprints201904.0176.v1 UR - http://dx.doi.org/10.20944/preprints201904.0176.v1 TI - In Major Depression, Increased Serum Dynorphin and Kappa Opioid Receptor Levels are Positively Associated with Mu Opioid Receptor Levels and Immune Activation and Are Attenuated by Nicotine Dependence T2 - Preprints AU - Al-Hakeim, Hussein AU - Al-Fadhel, Suhaer AU - Al-Dujaili, Arafat Hussein AU - Maes, Michael PY - 2019 DA - 2019/04/16 PB - Preprints