Methotrexate^48H post dose:MCnc:Pt:Ser/Plas:Qn
methotrexate^48h post dose:mcnc:pt:ser/plas:qn
Methotrexate [Mass/volume] in Serum or Plasma --48 hours post dose
methotrexate [mass/volume] in serum or plasma --48 hours post dose