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