Tawfik, S.(2014). Histological study of the effect of potassium dichromate on the thyroid follicular cells of adult male albino rat and the possible protective role of ascorbic acid (vitamin C). Journal of Microscopy and Ultrastructure, 2(3), 137. doi:10.1016/j.jmau.2014.04.003

Tawfik, SadikaM. "Histological Study of the Effect of Potassium Dichromate On the Thyroid Follicular Cells of Adult Male Albino Rat and the Possible Protective Role of Ascorbic Acid (vitamin C)". Journal of Microscopy and Ultrastructure, 2.3 ( 2014 ): 137.