Hassan، H. A.، و Russell، G. (1996). The Effects of Glucocorticoids and Other Pharmacological agents on the Production of Cytokines and Prostaglandin F2 by Human cells in vitro (رسالة دكتوراه غير منشورة). University of Sheffield، شفيلد. مسترجع من http://search.mandumah.com/Record/599980
Hassan، Hisham Ahmed، و Graham Russell. "The Effects of Glucocorticoids and Other Pharmacological Agents On the Production of Cytokines and Prostaglandin F2 By Human Cells in Vitro" رسالة دكتوراه. University of Sheffield، شفيلد، 1996. مسترجع من http://search.mandumah.com/Record/599980