Leucine-enkephalin:ACnc:Pt:Ser/Plas:Qn
leucine-enkephalin:acnc:pt:ser/plas:qn
Leucine-enkephalin:Arbitrary concentration:To identify measures at a point in time:Serum/Plasma:Quantitative
leucine-enkephalin:arbitrary concentration:to identify measures at a point in time:serum/plasma:quantitative