. . "\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 \u0443 \u0432\u0435\u0440\u0435\u0441\u043D\u0456 1993"@uk . "Determination of penicillin G, ampicillin, amoxicillin, cloxacillin and cephapirin by high-performance liquid chromatography-electrospray mass spectrometry"@nl . . "647" . "8408438" . "wetenschappelijk artikel"@nl . . . . . . "Determination of penicillin G, ampicillin, amoxicillin, cloxacillin and cephapirin by high-performance liquid chromatography-electrospray mass spectrometry"@en . "1993-09-01T00:00:00Z"^^ . "1" . "10.1016/0021-9673(93)83336-Q" . . "Determination of penicillin G, ampicillin, amoxicillin, cloxacillin and cephapirin by high-performance liquid chromatography-electrospray mass spectrometry"@en . . . . . "Determination of penicillin G, ampicillin, amoxicillin, cloxacillin and cephapirin by high-performance liquid chromatography-electrospray mass spectrometry"@nl . "R D Voyksner" . "Determination of penicillin G, ampicillin, amoxicillin, cloxacillin and cephapirin by high-performance liquid chromatography-electrospray mass spectrometry"@nl . "scientific article published on 01 September 1993"@en . "167-181" . . "R F Straub" . "Determination of penicillin G, ampicillin, amoxicillin, cloxacillin and cephapirin by high-performance liquid chromatography-electrospray mass spectrometry"@en . . . . "article scientifique publi\u00E9 en 1993"@fr . . "art\u00EDculu cient\u00EDficu espubliz\u00E1u en setiembre de 1993"@ast . . . . . . . "Determination of penicillin G, ampicillin, amoxicillin, cloxacillin and cephapirin by high-performance liquid chromatography-electrospray mass spectrometry"@en .