Vlad, M., Corlan, A., Balas, M., Golu, I., Amzar, D., Bistrian, E., & Cornianu, M. (2021). Collision tumor of the thyroid – a challenge during the COVID-19 pandemic. Archive of Clinical Cases, 8(4), Arch Clin Cases 2021; 8(4):64-71. https://doi.org/10.22551/2021.33.0804.10189