"Quantitative NMR assay for aspirin, phenacetin, and caffeine mixtures with 1,3,5-trioxane as internal standard"@sq . . . "Quantitative NMR assay for aspirin, phenacetin, and caffeine mixtures with 1,3,5-trioxane as internal standard"@nl . "R Rothchild" . "2" . "Quantitative NMR assay for aspirin, phenacetin, and caffeine mixtures with 1,3,5-trioxane as internal standard"@en . . . . . . "Quantitative NMR assay for aspirin, phenacetin, and caffeine mixtures with 1,3,5-trioxane as internal standard"@nl . . "10.1016/0731-7085(86)80036-X" . "im Januar 1986 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . "8"^^ . "scientific article published on 01 January 1986"@en . "Quantitative NMR assay for aspirin, phenacetin, and caffeine mixtures with 1,3,5-trioxane as internal standard"@en . . "art\u00EDculu cient\u00EDficu espubliz\u00E1u en xineru de 1986"@ast . "Quantitative NMR assay for aspirin, phenacetin, and caffeine mixtures with 1,3,5-trioxane as internal standard"@en . "S T Eberhart" . "Quantitative NMR assay for aspirin, phenacetin, and caffeine mixtures with 1,3,5-trioxane as internal standard"@sq . . . . "147-154" . . . . . "Quantitative NMR assay for aspirin, phenacetin, and caffeine mixtures with 1,3,5-trioxane as internal standard"@en . . "Quantitative NMR assay for aspirin, phenacetin, and caffeine mixtures with 1,3,5-trioxane as internal standard"@nl . "16867610" . . "Quantitative NMR assay for aspirin, phenacetin, and caffeine mixtures with 1,3,5-trioxane as internal standard"@sq . "wetenschappelijk artikel"@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 \u0441\u0456\u0447\u043D\u0456 1986"@uk . "A Hatzis" . . "1986-01-01T00:00:00Z"^^ . "4" .