Metrological characterization of a NaI(Tl) well counter for activity estimation prior to in vitro 131I dosimetry measurements for Nuclear Medicine patients in Nicaragua, period 2022-2023. torreon [Internet]. 2025 Apr. 11 [cited 2025 Aug. 9];14(39):176-88. Available from: https://revistas.unan.edu.ni/index.php/Torreon/article/view/5018