. . . "A change in the quantity of matter of 10^-12 moles in the SI unit of volume scaled by 10^-3 over a period of 3600 seconds."@en . "2.77778e-13"^^ . "Picomoles per litre per hour"@en . . . "pmol/(L\u22C5hr)" . "pmol.L-1.h-1"^^ .