Ali, Hiba, 		Elobied, Moawia, 		Khalid, Khalid, AND 		Ali, Khalid.
" THE RELATIONSHIP BETWEEN PROLACTIN LEVEL AND THE DURATION OF LACTATIONAL AMENORRHOEA IN LACTATING SUDANESE WOMEN" <em>Gezira Journal of Health Sciences</em> [Online], Volume 3 Number 1 (1 January 2007)