| an immunoserological study among blood donors of makkah region, saudi arabia. | blood services are inevitable and life-saving. therefore all measures should be taken to guarantee that the donated blood is pathogen free. the present study intends to throw some light on the prevalence of some infectious and parasitic diseases among blood donors, whether saudi or expatriates residing in makkah region (makkah and jeddah cities). results of this work indicate that hepatatis b is one of the most important problems involved in blood services in this region. on the contrary sexuall ... | 1989 | 2708869 |