Ephedrine+Pseudoephedrine:MCnc:Pt:Ser/Plas:Qn:Confirm
ephedrine+pseudoephedrine:mcnc:pt:ser/plas:qn:confirm
ePHEDrine+Pseudoephedrine [Mass/volume] in Serum or Plasma by Confirmatory method
ephedrine+pseudoephedrine [mass/volume] in serum or plasma by confirmatory method