Methotrexate^4H post dose:SCnc:Pt:Ser/Plas:Qn
methotrexate^4h post dose:scnc:pt:ser/plas:qn
Methotrexate [Moles/volume] in Serum or Plasma --4 hours post dose
methotrexate [moles/volume] in serum or plasma --4 hours post dose