Alaama, M., Abdualkader, A.M., Ghawi, A.M., Merzouk, A., Khalid, R.S.,  & Helaluddin, A.B.M. (2021). Assessment of Trace Heavy Metals Contamination in the Tissues and Saliva of the Medicinal Leech <em>Hirudinaria manillensis</em>. <i>Turkish Journal of Fisheries and Aquatic Sciences</i>, <i>21</i>,  225-231. http://doi.org/10.4194/1303-2712-v21_5_02