Methylenedioxypyrovalerone cutoff:MCnc:Pt:Urine:Qn:Confirm
methylenedioxypyrovalerone cutoff:mcnc:pt:urine:qn:confirm
Methylenedioxypyrovalerone cutoff [Mass/volume] in Urine for Confirmatory method
methylenedioxypyrovalerone cutoff [mass/volume] in urine for confirmatory method