Pyridoxine^post pyridoxine PO:MCnc:Pt:Ser/Plas:Qn
pyridoxine^post pyridoxine po:mcnc:pt:ser/plas:qn
Pyridoxine [Mass/volume] in Serum or Plasma --post pyridoxine PO
pyridoxine [mass/volume] in serum or plasma --post pyridoxine po