Sampliner, R. E. (VA Medical Center, Baltimore, MD 21218), B. L. Loevinger, E. Tabor and R. J. Gerety. intrafamllial cluster of hepatitis B virus infection: study of a large family in the United States. Am J Epidemiol 1981;113:50–54. Seventy-eight persons in an Italian-American family were tested fo...