Mendonça, J. S. de .; Amato Neto, V. .; Shiratsuchi, M. S. .; Oselka, G. W. .; Takei, K. .; Melo, E. . HBAg in the Serum of 203 Patients With Acute Viral Hepatitis in São Paulo. Rev. Inst. Med. Trop. São Paulo 1975, 17 (4), 236-241.