Alias, Ehab E. Alias, Zeinelabdin, Mohamed, Bashir, Nabil, Assad, Yousif, AND Abdelbagi, Omer. " Hypoglycemic and toxic effects of saponins from the fruit of bitter apple [Citrullus colocynthis (L.) Schrad] on the internal organs of Norway rat [Rattus norvegicus (Berkenhout)]" Gezira Journal of Agricultural Science [Online], Volume 13 Number 2 (1 January 2015)