الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
The effect of an antithyroid neomercazole)and of a hypoglycaemic(insulin)on hathchability, survival, develo - pmental period and growth of the Egyptian toad Bufo regularis ”Reuss”were studied. Investigations were extended to reveal the histopathological efffects of neomer - cazole on certain endocrines, liver and kidney and of insulin on the endocrine portion of the pancreas of advanced tad - poies.