| [epidemiologico-clinical considerations on a case file of acute hepatitis observed 1980-1983]. | between january 1980 and december 1983, 332 consecutive cases of acute hepatitis were observed in adult patients admitted to the department of infectious disease and gastroenterology of siena. sex and age of the patients, the presence of jaundice, the maximum value of the serum-glutamate-pyruvate-transaminase (sgpt) were considered. serum specimens were tested for hepatitis b surface antigen (hbsag), antibody against hepatitis b core antigen (anti-hbc) of the igm class, antibody against hepatiti ... | 1985 | 3938288 |