We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleFree cortisol index as a surrogate marker for serum free cortisol.Authorsle Roux CW; Sivakumaran S; Alaghband-Zadeh J; Dhillo W; Kong WM; Wheeler MJPublicationAnnals of clinical biochemistry, 2002, Vol 39, Issue Pt 4, p406ISSN0004-5632Publication typearticleDOI10.1258/000456302760042182