κ-opioid receptor – Wikipedia κ-opioid Îº-opioid receptor Îº-opioid receptor Îº opioid receptor Îº-opioid receptor kappa opioid receptor κ-opioid Îº-opioid receptor Îº-opioid receptor κ Îº opioid receptor Îº opioid receptor kappa κ opioid receptors Îº-opioid receptor Îº opioid receptor κ-opioid κ kapao opioidaj receptoroj κ κ-opioid receptor – Wikipedia kappa opioid receptor κ κ-opioid κ opioid receptor Kappa Opioid Receptor Îº-opioid receptor Îº-opioid receptor κ