Ahmed, K. R., Das, S., Rashid, M. B., Tabassum, I., Sultana, J., Naznin, A., … Jabin, Z. (2026). Impact of Reagent Lot-to-Lot Variation on Internal Quality Control Results in Thyroid Hormone Analysis: A Retrospective Laboratory Study. Bangladesh Journal of Nuclear Medicine, 28(2), 263–269. https://doi.org/10.3329/bjnm.v28i2.89110