. . "1" . . . "An isotope of the chemical element oxygen in the oxygen molecule."@en . "2016-03-07 15:27:41.0" . "1" . "SDN:S27::CS002858" . "accepted"@en . "2016-03-07 15:27:41.0" . "oxygen-18 in dissolved oxygen"@en . . . "SDN:S27::CS002858" . . "false" . "18O in O2" . "SDN:S27::CS002858" .