A critical evaluation of simple methods for the estimation of free testosterone in serum.
A critical evaluation of simple methods for the estimation of free testosterone in serum.
A. Vermeulen,L. Verdonck,Jean Kaufman
1999 · DOI: 10.1210/JCEM.84.10.6079
Journal of Clinical Endocrinology and Metabolism · 3,701 Citations
TLDR
The FT value, obtained by calculation from T and SHBG as determined by immunoassay, appears to be a rapid, simple, and reliable index of bioavailable T, comparable to AFTC and suitable for clinical routine, except in pregnancy.