Alzahrani, Alhusain J., Obeid E. Obeid, Amein Al-Ali, and Burhan Imamwardi. 2009. “Detection of Hepatitis C Virus and Human Immunodeficiency Virus in Expatriates in Saudi Arabia by Antigen-Antibody Combination Assays”. The Journal of Infection in Developing Countries 3 (03):235-38. https://doi.org/10.3855/jidc.42.