Meperidine & Normeperidine panel:-:Pt:Gast fld:-
meperidine & normeperidine panel:-:pt:gast fld:-
Meperidine & Normeperidine panel:-:To identify measures at a point in time:Gastric fluid/contents:-
meperidine & normeperidine panel:-:to identify measures at a point in time:gastric fluid/contents:-