. . . . . "511" . . . . . "Identification of exposure markers in smokers' breath"@en . . . . . . . "Identification of exposure markers in smokers' breath"@en . "Identification of exposure markers in smokers' breath"@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 \u043B\u0438\u043F\u043D\u0456 1990"@uk . . "2211914" . . "291-302" . . . . . . . "art\u00EDculu cient\u00EDficu espubliz\u00E1u en xunetu de 1990"@ast . "wetenschappelijk artikel"@nl . . "1990-07-01T00:00:00Z"^^ . . "S M Gordon" . . . "10.1016/S0021-9673(01)93292-3" . "Identification of exposure markers in smokers' breath"@nl . "Identification of exposure markers in smokers' breath"@en . "scientific article published on 01 July 1990"@en . "Identification of exposure markers in smokers' breath"@nl . . . . . . . . "Identification of exposure markers in smokers' breath"@en .