[1]
Ferraz, M.L.G., Yoradjian, A., Barbieri, A., Figueiredo, V., Lopes Neto, E., Cruz, C.N. and Silva, A.E. 1998. Epidemiology of acute hepatitis B in a university hospital in São Paulo, Brazil: retrospective study of two five-year periods. São Paulo Medical Journal. 116, 3 (May 1998), 1695–1699.