Ibuprofen^pre dose:MCnc:Pt:Ser/Plas:Qn
ibuprofen^pre dose:mcnc:pt:ser/plas:qn
Ibuprofen^pre dose:Mass Concentration:To identify measures at a point in time:Serum/Plasma:Quantitative
ibuprofen^pre dose:mass concentration:to identify measures at a point in time:serum/plasma:quantitative