in an endemic goiter area of west germany ( incidence of goiter , 19 % to 32 % ) , thyroid function was evaluated in 44 patients with amyotrophic lateral sclerosis ( als ) with radioimmunoassay of triiodothyronine , thyroxine , thyroxine-binding globulin , and thyroid-stimulating hormone , including the protirelin stimulation test .
C0018021
goiter
C0041014
triiodothyronine