. "Effects of long-term opioid analgesics on cognitive performance and plasma cytokine concentrations in patients with chronic low back pain: a cross-sectional pilot study"@nl . . "im Juli 2018 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . . "James O'Callaghan" . "article scientifique publi\u00E9 en 2018"@fr . "\u043D\u0430\u0443\u043A\u043E\u0432\u0430 \u0441\u0442\u0430\u0442\u0442\u044F, \u043E\u043F\u0443\u0431\u043B\u0456\u043A\u043E\u0432\u0430\u043D\u0430 \u0432 \u043B\u0438\u043F\u043D\u0456 2018"@uk . . "3" . . "Effects of long-term opioid analgesics on cognitive performance and plasma cytokine concentrations in patients with chronic low back pain: a cross-sectional pilot study"@nl . "scientific article published on 16 July 2018"@en . "Effects of long-term opioid analgesics on cognitive performance and plasma cytokine concentrations in patients with chronic low back pain: a cross-sectional pilot study"@en . "Jenny Strong" . . "Lesley J Lluka" . . "art\u00EDculu cient\u00EDficu espubliz\u00E1u en xunetu de 2018"@ast . "2018-07-16T00:00:00Z"^^ . . "4" . . "Brendan Moore" . . "6085139" . "Effects of long-term opioid analgesics on cognitive performance and plasma cytokine concentrations in patients with chronic low back pain: a cross-sectional pilot study"@nl . "Maree T Smith" . . . . "wetenschappelijk artikel"@nl . . . "Effects of long-term opioid analgesics on cognitive performance and plasma cytokine concentrations in patients with chronic low back pain: a cross-sectional pilot study"@en . . . "30123859" . . . . "Effects of long-term opioid analgesics on cognitive performance and plasma cytokine concentrations in patients with chronic low back pain: a cross-sectional pilot study"@en . . . "Effects of long-term opioid analgesics on cognitive performance and plasma cytokine concentrations in patients with chronic low back pain: a cross-sectional pilot study"@en . . "e669" . . "10.1097/PR9.0000000000000669" .