Zill-e-Humayun, M., Ahmed, I., & Hussain, T. (2007). RISK OF TRANSMISSION OF HEPATITIS-B AND C VIRUSES IN UPPER GASTROINTESTINAL ENDOSCOPY – A HOSPITAL BASED STUDY: Risk of Transmission of Hepatitis-B and C Viruses. Pakistan Armed Forces Medical Journal, 57(2), 113-117. https://pafmj.org/PAFMJ/article/view/271