1Chong VH, Lim CC. Human immunodeficiency virus and endoscopy: ex- perience of a general hospital in Singapore.Journal of Gastroenterology and Hepatology, 2005,20( 5 ) : 722-726.
2Klaus E, Mnkemuller MD, Stephanie A, et al. Declining prevalence of opportunistic gastrointestinal disease in the era of combination antiretroviral therapy. Am Coil of Gastroenlerology, 2000,95 (2) : 457 - 462.
3Moloughney BW.Transmission and postexposure management of bod - borne virus infections in the health care setting:where are we now. Canadian Medical Associatation Journal, 2001,165 ( 4):445 -451.
