R- & S-beta aminoisobutyrate & D- & L-serine panel:-:Pt:Ser/Plas:-
r- & s-beta aminoisobutyrate & d- & l-serine panel:-:pt:ser/plas:-
R- and S-beta aminoisobutyrate and D- and L-serine panel - Serum or Plasma
r- and s-beta aminoisobutyrate and d- and l-serine panel - serum or plasma