"scientific article published on 01 October 1953"@en . . . "Comparative pharmacology of levorphan, racemorphan and dextrorphan and related methyl ethers"@nl . . "1953-10-01T00:00:00Z"^^ . "Comparative pharmacology of levorphan, racemorphan and dextrorphan and related methyl ethers"@nl . "13097351" . . . . "art\u00EDculu cient\u00EDficu espubliz\u00E1u n'ochobre de 1953"@ast . . "1953 \u0569\u057E\u0561\u056F\u0561\u0576\u056B \u0570\u0578\u056F\u057F\u0565\u0574\u0562\u0565\u0580\u056B 1-\u056B\u0576 \u0570\u0580\u0561\u057F\u0561\u0580\u0561\u056F\u057E\u0561\u056E \u0563\u056B\u057F\u0561\u056F\u0561\u0576 \u0570\u0578\u0564\u057E\u0561\u056E"@hy . . . "Comparative pharmacology of levorphan, racemorphan and dextrorphan and related methyl ethers"@en . "Comparative pharmacology of levorphan, racemorphan and dextrorphan and related methyl ethers"@en . . "wetenschappelijk artikel"@nl . "Comparative pharmacology of levorphan, racemorphan and dextrorphan and related methyl ethers"@nl . "\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 \u0436\u043E\u0432\u0442\u043D\u0456 1953"@uk . . "Comparative pharmacology of levorphan, racemorphan and dextrorphan and related methyl ethers"@en . "P L STEFKO" . "im Oktober 1953 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . "109" . . . . "189-200" . "2" . "Comparative pharmacology of levorphan, racemorphan and dextrorphan and related methyl ethers"@en . . . . . "L O RANDALL" . . "W M BENSON" .