TY - JOUR AU - Schachter, S; Nelson, R W; Scott-Moncrieff, C; Ferguson, D C TI - Comparison of serum-free thyroxine concentrations determined by standard equilibrium dialysis, modified equilibrium dialysis, and 5 radioimmunoassays in dogs JO - J Vet Intern Med IS - 03 VL - 18 PY - 2004 DO - 10.1111/j.1939-1676.2004.tb02543.x L3 - PubMed-ID: 15188809 SP - 259 EP - 264 ER -