R- & S-beta aminoisobutyrate & D- & L-serine panel:-:Pt:Ser/Plas:-
r- & s-beta aminoisobutyrate & d- & l-serine panel:-:pt:ser/plas:-
R- & S-beta aminoisobutyrate & D- & L-serine panel:-:To identify measures at a point in time:Serum/Plasma:-
r- & s-beta aminoisobutyrate & d- & l-serine panel:-:to identify measures at a point in time:serum/plasma:-