Although the enzyme immunoassay technique we used is the first generation, our study remains important (25, 26, 27). Indeed, our work on 52 patients using 92 HRT tests with levothyroxine and levothyroxine and triiodothyronine combination allowed us to evaluate optimal hormonal balance. The dose placing the TSH delta in a zone of known euthyroidism, (4 to 20 micro IU/ml (IRMA)) was found to be 111.84 + 31.33 microg/d; 72.75 + 7.5 microg/m /d; 1.84...