- Changes in thyroid, cerebral cortex and bones of therapeutically aborted fetuses from endemic goiter region supplied with iodized salt for 5 years. Liu, J.L., Zhuang, Z.J., Cao, X.M., Liu, S.A., Zhong, F.G., Gu, Z.G., Yang, P.S., Deng, C.J. Chin. Med. J. (1988)