Ahmed PhD, Shams Eldin, 		Babikir MD, Saeed, 		Hasan MD, Badr, 		MD, Mustafa, AND 		MD, Mohamed.
" Sperm Parameters and Reproductive Hormones Among Male Sudanese Worker Exposed to High Occupational Heat" <em>Gezira Journal of Health Sciences</em> [Online], Volume 7 Number 2 (31 December 2011)