RT Journal Article SR Electronic T1 Letter: Immune response to HBsAg JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 929b OP 929 VO 113 IS 10 A1 D. P. Sengar A1 W. A. McLeish A1 M. Sutherland A1 A. Rashid A1 J. E. Harris A1 R. K. Smiley YR 1975 UL http://www.cmaj.ca/content/113/10/929b.abstract