Propoxyphene+Norpropoxyphene:PrThr:Pt:Urine:Ord:Confirm
propoxyphene+norpropoxyphene:prthr:pt:urine:ord:confirm
Propoxyphene + Norpropoxyphene [Presence] in Urine by Confirmatory method
propoxyphene + norpropoxyphene [presence] in urine by confirmatory method