Figure 2. Free thyroxine (FT4) and free triiodothyronine (FT3) pre, intra and post levothyroxine absorption test

From

Clinical Application of the Levothyroxine Absorption Test in the Diagnosis of Pseudo-Malabsorption

Muhammad Imran Butt, Nidhi Gupta, Hiang Leng Tan, Najeeb Waheed

American Journal of Medical Case Reports. 2014, 2(11), 253-255 doi:10.12691/ajmcr-2-11-8