title: Simple inexpensive procedure for the measurement of serum thyroxine.
mesh_terms: D003365:Costs and Cost Analysis; D005069:Evaluation Studies as Topic; D006801:Humans; D006980:Hyperthyroidism / Q000097:blood; D007037:Hypothyroidism / Q000097:blood; D007223:Infant; D008722:Methods; D011869:Radioligand Assay; D013973:Thyrotropin-Releasing Hormone / Q000494:pharmacology; D013974:Thyroxine / Q000097:blood*; D013997:Time Factors
chemical_list: D013973:Thyrotropin-Releasing Hormone; D013974:Thyroxine