Article in the Journal of Clinical Pathology titled Hepatitis B Antigen (HBAg) and its antibody (HBAb) in hospital patients by R W Payne et al. The article refers to a study that was primarily undertaken to determine the prevalence of HBAg and HBAb among selected inpatients in a general hospital group and among healthy blood donors in the same region over the same period of time; and secondarily to investigate implications of their findings