List of Articles زیست یار Open Access Article Abstract Page Full-Text 1 - Effect of lethal exposure of lead acetate on histopathology of gills of probiotic- treated zebra fish (Danio rerio) , F. Tehrani N. Hadizadeh Shirazi, , R. Kazempoor Open Access Article Abstract Page Full-Text 2 - Effects Of Different Levels Of Bactocell Supplemented with Diet on Some Immunological Parameters in Rainbow Trout (Oncorhynchus mykiss Mohammad Reza Behroz Khoshghalb Ghobad Azari Takami Hossein Khara Rezvanollah Khazemi