VIRAL HEPATITIS IN A GROUP OF BOSTON HOSPITALS. I. A RETROSPECTIVE STUDY OF 1675 PATIENTS.
D001803:Blood Transfusion; D001900:Boston; D003428:Cross Infection; D004813:Epidemiology; D006506:Hepatitis A; D006515:Hepatitis B virus; D006801:Humans; D007267:Injections; D008404:Massachusetts; D012189:Retrospective Studies
BLOOD TRANSFUSION; CROSS INFECTION; EPIDEMIOLOGY; HEPATITIS, HOMOLOGOUS SERUM; HEPATITIS, INFECTIOUS; INJECTIONS; MASSACHUSETTS