Alias, E., 		Zeinelabdin, M., 		Bashir, N., & 		Assad, Y.
2015 Jan  1.  Acute toxicity of saponins from the fruit of bitter apple  Citrullus colocynthis (L.) Schrad,on the Norway rat,  Rattus norvegicus (Berkenhout). Gezira Journal of Agricultural Science. [Online] 13:1