. . "The amount of time for which the process of study is ongoing."@en . "2004-06-22T11:39:27+02:00"^^ . "The amount of time for which the process of study is ongoing."@en . . . "Peripheral" . "Peripheral"^^ . "Duration" . . "6539"^^ . "Duration" . "Duration"^^ . . "Dur" . . . . "The amount of time for which the process of study is ongoing."^^ . . "MJE" . .