Dihydrocodeine.free+Hydrocodol.free:{Measurement}:-:Ser/Plas:-
dihydrocodeine.free+hydrocodol.free:{measurement}:-:ser/plas:-
Dihydrocodeine.free+Hydrocodol.free:{Measurement}:-:Serum/Plasma:-
dihydrocodeine.free+hydrocodol.free:{measurement}:-:serum/plasma:-