OBAYASHI, A. Familialclustering of asymptomatic carriers of Austraria antigen and patients with chronic liver disease or primary liver cancer. Gatroenterology. 1972, 62, 618-625
STEVENS, CE. Vertical transmission of hepatitis B antigen in Taiwan. N Engl J Med. 1975, 292, 771-774
OKADA, K. Hepatitis B surface antigen in the serum of infants after deliver from asymptomatic carrier mothers. J Pediatr. 1975, 87, 360-363