TY - GEN AU - Ahmed,S A AU - Sanyal,R K AU - Scedrou,P AU - Ahmed,M G TI - Hepatitis B surface antigen in South Sudan SN - 0019-5138 PY - 1985///0822 KW - Female KW - Hepatitis B Surface Antigens KW - analysis KW - Humans KW - Male KW - Sudan N1 - Publication Type: Journal Article ER -