"10.1002/J.1552-4604.1981.TB02610.X" . . "J R Ryan" . . "wetenschappelijk artikel"@nl . . . . . . "320S-326S" . "Evaluation of intramuscular levonantradol and placebo in acute postoperative pain"@en . "\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 \u0441\u0435\u0440\u043F\u043D\u0456 1981"@uk . "1981-08-01T00:00:00Z"^^ . . "Evaluation of intramuscular levonantradol and placebo in acute postoperative pain"@nl . "A K Jain" . "F G McMahon" . "Evaluation of intramuscular levonantradol and placebo in acute postoperative pain"@en . "scientific article published on 01 August 1981"@en . "21" . "S1" . . . . . "G Smith" . . "art\u00EDculu cient\u00EDficu espubliz\u00E1u n'agostu de 1981"@ast . "Evaluation of intramuscular levonantradol and placebo in acute postoperative pain"@nl . . "Evaluation of intramuscular levonantradol and placebo in acute postoperative pain"@nl . . . "Evaluation of intramuscular levonantradol and placebo in acute postoperative pain"@en . . . "7028791" . "im August 1981 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . "Evaluation of intramuscular levonantradol and placebo in acute postoperative pain"@en . . .