TY - JOUR T1 - Universal hepatitis B vaccination: the economics of prevention JF - Canadian Medical Association Journal JO - CMAJ SP - 19 LP - 21 VL - 146 IS - 1 AU - M. D. Krahn AU - A. S. Detsky Y1 - 1992/01/01 UR - http://www.cmaj.ca/content/146/1/19.abstract ER -