KHALED, I. et al. 2026. Protective role of melatonin against allethrin-induced oxidative and histopathological alterations in the medicinal leech Hirudo troctina Johnson, 1816 (Annelida, Clitellata, Hirudinida). INSTM Bulletin : Marine and Freshwater Sciences. 51, (Apr. 2026), 33–44. DOI:https://doi.org/10.71754/instm.bulletin.v51.1783.