Proficiency testing for urinary iodine and its impact on laboratory research related to iodine deficiency disorders (IDD) in the central Africa subregion. - Bonglaisin, Julius Nsawir; Wangue, S. M. K.; Yenika, F. L.; Manet, L.; Kamini, M. G.; Tata, B. N.; Nkeunen, G.; Sakava, P.; Matchawe, C.; Medoua, G. N. (Thyroid Research, 2025)